The meaning of significance. Asked to explain the meaning of "statistically significant at the α=0.05 level," a student says: "This means that the probability that the null hypothesis is true is less than 0.05." Is this explanation correct? Why or why not?

Answers

Answer 1

Answer:

This explanation is not correct

Explanation:

Significance level is the probability that the null hypothesis rejected is in fact true. If we say there is a significance level of 0.10 or 10%(α=0.10 level) then there is a 10% chance of incorrectly rejecting the null hypothesis when there is actually no difference.

If we wish to reach a conclusion on rejection or acceptance of the null hypothesis, we could use the p value(the probability that observed results or more extremee results are true given null hypothesis)which we compare with the significance level to conclude. If the significance level is 0.10 and p value is 0.07(since p value is less than significance level) , we reject the null hypothesis and vice versa.

Answer 2

The significant level, α = 0.05 level specifies a probability of the correctness of the null hypothesis.

The student is correct in the statement "This means that the probability that the null hypothesis is true is less than 0.05"

Reasons:

The significant level specifies the the likelihood of rejecting a true null

hypothesis, such that a 5% significance level indicates that the risk of

drawing a conclusion that there is a difference in a sample, when the

samples are similar is 5%, and therefore, the probability that null

hypothesis is true is 5% or 0.05.

The level of significance is a specification that indicates the amount of

evidence required within a sample to allow the rejection of the null

hypothesis, and reach a conclusion that the observed effect is statistical

significant at the α = 0.05 level.

Therefore;

The statement by the student that "This means that the probability that the null hypothesis is true is less than 0.05" is correct.

Learn more about hypothesis testing here:

https://brainly.com/question/13122036


Related Questions

David weeds lawns in his neighborhood to earn money to buy video games. For each lawn, he charges $11.50. If he weeds 4.5 lawns on Saturday, how much money will he earn? please help im on a time limit

A

$10.35


B

$51.75


C

$103.50


D

$517.50


OK I NEED HELP PLEASE NOW

I WILL GIVE BRAINLYIST

Answers

You have to multiply the numbers 11.50 and 4.5,so the answer is B $51.75.

What's 166 percent as a decimal

Answers

1.66 is the answer to your question

Answer:

1.66 is the answer. 166% whole be a whole 1, plus .66

If you are able to answer this I’ll give most Brainly and I need it in about 20 min




Nov
Month June July Aug Sept Oct
Rainfall (in.) 6.14 7.19
8.63
8.38 6.47
2.43
2. The table shows monthly rainfall in inches for
five months. Identify the outlier in the data set.
Determine how the outlier affects the mean,
median, and mode of the data. Then tell which
measure of center best describes the data with
and without the outlier. Round to the nearest
hundredth. Justify your selection.

Answers

okay, first to figure out the IQR of the table you need to organize them from least to greatest.

2.43, 6.14, 6.47, 7.19, 8.38, 8.63

to find the middle number of all of these you add them all together and divide by 6, which is the total amount of numbers there.

2.43 + 6.14 + 6.47 + 7.19 + 8.38 + 8.63 = 39.24

39.24 / 6 = 6.54

now that we have the IQR, next we find the outlier. to find the outlier you multiply the IQR by 1.5 which is 6.54 x 1.5 = 9.81 <- outlier

Outliers affect the mean value of the data but have little effect on the median or mode of a given set of data.

2.43 + 6.14 + 6.47 + 7.19 + 8.38 + 8.63 + 9.81 = 49.05

49.05 / 7 = 7.00 (Rounded)

I tried my best to solve this, sorry if it doesn't help.

What is the equivalent addition problem -9.5 –(-8) – 6.5?

Answers

Answer:

8+8+8 or 9.5+8+6.5

I hope this helped u :)

Step-by-step explanation:

what is the median for 9, 1, 9, 6, 5 and for 2, 10, 7, 1

Answers

The median for this problem is 6

Answer:

median for 9,1,9,6,5 is 6 and for 2,10,7,1 is 4 1/2

I got it by lining up the first numbers    1,5,6,9,9 and 6 was middle    second one i lined it up     1,2,7,10 and 2 and 7 were middle so added them together and divided by 2 and got 4 1/2

A particular fruit's weights are normally distributed, with a mean of 331 grams and a standard deviation of 23 grams. If you pick 15 fruits at random, then 14% of the time, their mean weight will be greater than how many grams?

Answers

Answer:

337.41366

Step-by-step explanation:

Given that:

Mean = 331 grams

Standard deviation = 23 grams

Sample size (n) = 15

P(Z < x) = 14% = 0.14

Obtain the Zscore corresponding to (1 - 0.14) = 0.86

P(z < 0.86) = 1.08

Zscore = 1.08

Zscore = (x - mean) / s/√n

1.08 = (x - 331) / 23/sqrt(15)

1.08 = (x - 331) / 5.9385744

X - 331 = 6.4136604

X = 6.4136604 + 331

X = 337.41366

Which expression represents 6 less than a number, n?

Answers

Answer:

n-6

Step-by-step explanation:

less than is subtraction

6 is taken away from n

n-6

Answer is n-6
I think sorry if it’s wrong

how do I solve 7x+3=59​

Answers

Answer:7x+3=59

59-3

7x=56

Then you divide them both by 7

7x/7=56/7

Then you get your answer

X=?

I'll let you do the last part tho

Step-by-step explanation:

PLZ Help

Your school carnival charges $2 for admission and $.50 for
each game. You go to the carnival with $5.50. Write and solve
an inequality that represents the possible number of games
you can play. What is the maximum number of games you can
play?

Answers

Answer:

5.50=2+0.50x

Step-by-step explanation:

find angle between u = and v =

Answers

Answer:

U= 2i - 1i and V= 3i + ji

Step-by-step explanation:

I hope that is the correct answer

pls pls pls pls pls help!!!!!!!!!
1. Explain how to plot each value on a number line?
Values -1, 5, -2.5, -3, 2
2. What is the order of these values from least to greatest?
-----------------
1. of the 5 values which 1 is not an integer?

Answers

Answer:

1) View image attached

2) -3, -2.5, -1, 2, 5

3) -2.5

Step-by-step explanation:

1) Draw a number line, an image is shown below with the number line. You then put "points" on the values that you are plotting. This is also shown in the image attached.

2) The ones with the "-" are negative, meaning that they are below 0. These will always be smaller than those without a "-" sign. In addition to this, the way negative numbers work in terms of least to greatest is completely flipped. For example, -5 is greater than -10, and -10 is less than -5. If the numbers were positive, 5 would be less than 10 and 10 would be greater than 5.

3) The value that isn't an integer is the one that isn't a whole number. In those answer choices you gave, the only one with a decimal is -2.5 (as indicated by the ".5"

If you made $47,000 in 2020, and are getting a 3% raise, how much will you make in 2021? *

Answers

Answer:

48,410$ in 2021

Step-by-step explanation:

3% of 47,000 is 1,410

add the 3% increase to 47,000 to get 48,410$

Answer:

[tex]48[/tex],[tex]410[/tex]

Step-by-step explanation:

__________________________________________________________

[tex]47[/tex],[tex]000[/tex] [tex]in[/tex] [tex]2020[/tex]

[tex]48[/tex],[tex]410[/tex] [tex]in[/tex] [tex]2021[/tex]

__________________________________________________________

[tex]This[/tex] [tex]is[/tex] [tex]because[/tex] [tex]3[/tex]% [tex]of[/tex] [tex]47[/tex],[tex]000[/tex] [tex]is[/tex] [tex]1[/tex],[tex]410[/tex]

[tex]47[/tex],[tex]000[/tex] + [tex]1[/tex],[tex]410[/tex] = [tex]48[/tex],[tex]410[/tex]

__________________________________________________________

Hope this helps! <3

__________________________________________________________

if you buy $200 headphones and you get 25% off how much money will you save?

Answers

Answer: You'll save $50

Work: I just did $200 multiplied by .25 (Percentage of Coupon) and I received the answer $50.

I hope this helps, and Happy Holidays! :)

Rusty hiked 3 3/4 miles in the morning and 2 1/4 miles in the afternoon. How much
farther did he hike in the morning than the afternoon?

Answers

Answer:

1 [tex]\frac{1}{2}[/tex] miles

Step-by-step explanation:

Convert 3 [tex]\frac{3}{4}[/tex] and 2 [tex]\frac{1}{2}[/tex] into improper fractions

Subtract them like a regualr equation

[tex]\frac{15}{4}[/tex] - [tex]\frac{9}{4}[/tex] = [tex]\frac{6}{4}[/tex]

Convert  [tex]\frac{6}{4}[/tex] into a mixed number to get 1 [tex]\frac{1}{2}[/tex]

Super easy!!!!
Which material will heat up the quickest? *
asphalt
cement
steel painted white
Sod

Answers

Answer:

steel painted white

Step-by-step explanation:

what is sod?

Answer:

Sod.

Explanation:

Sod is surprisingly good at aiding in the heating process!

Even while wet, it will accelerate the heating process.

Webster found this table in his algebra book. What are the y-intercept and slope of the line represented by this data?

x = 1,2,3,4
y=5,7,9,11

A.


y-intercept = 0; slope = 2



B.
y-intercept = 3; slope = 12

C.
y-intercept = 2; slope = 3

D.
y-intercept = 3; slope = 2

Answers

If you graph the given question, you would see that the answer is D.
D.
y-intercept = 3; slope = 2

The ratio in the table for distance covered in meters to time taken in hours is constant
Distance Covered im
8
16
32
d
48
Time Taken ihr.
6
12 15 18
Let d = distance covered in 15 hr.
Let t = time taken to cover 8 m.
Which table shows the correct values for t and d?

Answers

The table that shows the correct t and d values is

Distance Covered (m)           Time Taken (hr)

8                                               6

32                                              15

How to determine the correct values for t and d?

The table of values is given as:

Distance Covered (m)           Time Taken (hr)

8                                               6

16                                              12

32                                              15

48                                              18

The distance covered in 15 hours is 32 m and the time taken to cover 8 m is 6 hours

When these values are extracted, we have:

Distance Covered (m)           Time Taken (hr)

8                                               6

32                                              15

The above represents the table that shows the correct t and d values

Read more about distance and time at:

https://brainly.com/question/13877898

#SPJ1

54 ÷ 6 x (12-4) + 2 =​

Answers

Answer:

3

Step-by-step explanation:

1. 54÷6 =9

2. (12-4)=8

3. 9-8 = 1

4. 1+2 = 3

5. I hope this helps it's pretty simple oh and 3 is your anansw.Also you can you your calculator

Answer:

a=72[tex]\frac{2}{3}[/tex]

Step-by-step explanation:

56/6*(12-4)+2=n

56/6*8+2-2=n-2

56/6*8/8=(n-2)/8

x=9[tex]\frac{1}{3}[/tex]

x=(n-2)/8

y=74[tex]\frac{2}{3}[/tex]

y=n-2=a

a=72[tex]\frac{2}{3}[/tex]

Which is greater 0.745 or 7.45

Answers

Answer:

7.45

Step-by-step explanation:

BECAUSE .745 IS ONE PLACE VALUE LOWER

CAN I HAVE BRAINLIEST PLEASE

Find the equation of the line passing through the points (3,1) and (7,-7)​

Answers

Answer:

y = -2x + 7

Step-by-step explanation:

The point-slope form of the equation of a line is:

y - k = m ( x - h )

Where m is the slope and (h,k) is a point through which the line passes.

Suppose we know the line passes through points A(x1,y1) and B(x2,y2). The slope can be calculated with the equation:

[tex]\displaystyle m=\frac{y_2-y_1}{x_2-x_1}[/tex]

We are given the point (3,1) and (7,-7), calculate the slope:

[tex]\displaystyle m=\frac{-7-1}{7-3}[/tex]

[tex]\displaystyle m=\frac{-8}{4}=-2[/tex]

m = -2

No w we use any of the given points: (3,1) and substitute in the equation of the line:

y - 1 = -2 ( x - 3 )

Multiplying:

y - 1 = -2x + 6

Adding 1:

y = -2x + 7

porfa respondan rapido

Answers

What does that even mean

One 6 oz juice box has 90 calories. How many calories are there in 64 oz jug of the juice? Round to the nearest calorie.

Answers

Answer:

960 calories for the 64 oz jug

Step-by-step explanation:

6 oz for 90 calories.

64 oz for ??? calories.

It's a ratio, 6:90

and            64:???

so  6 * 10 2/3 is 64.

so 90 * 10 2/3 is ???

960 is ???

Answer:

I believe that would look like this

64 x 90 / 6 = 960 calories

This is for fun type as many Christmas songs as you can below my fav will get brainiest you will get 35 points as well.

again this is for fun and also HURRY UP AND TYPE only 2 users get to do this

this is the last one so HURRY

Answers

Answer:

A

Step-by-step explanation:

Answer: All I want for Christmas is you lyrics lol

I don't want a lot for Christmas

There is just one thing I need

I don't care about the presents

Underneath the Christmas tree

I just want you for my own

More than you could ever know

Make my wish come true

All I want for Christmas is you, yeah

I don't want a lot for Christmas

There is just one thing I need

And I don't care about the presents

Underneath the Christmas tree

I don't need to hang my stocking

There upon the fireplace

Santa Claus won't make me happy

With a toy on Christmas Day

I just want you for my own

More than you could ever know

Make my wish come true

All I want for Christmas is you

You, baby

Oh, I won't ask for much this Christmas

I won't even wish for snow

And I'm just gonna keep on waiting

Underneath the mistletoe

I won't make a list and send it

To the North Pole for Saint Nick

I won't even stay awake to

Hear those magic reindeer click

'Cause I just want you here tonight

Holding on to me so tight

What more can I do?

Baby, all I want for Christmas is you

You, baby

Oh, all the lights are shining so brightly everywhere

And the sound of children's laughter fills the air

And everyone is singing

I hear those sleigh bells ringing

Santa, won't you bring me the one I really need?

Won't you please bring my baby to me?

Oh, I don't want a lot for Christmas

This is all I'm asking for

I just wanna see my baby

Standing right outside my door

Oh, I just want you for my own

More than you could ever know

Make my wish come true

Baby, all I want for Christmas... is you

You, baby

All I want for Christmas is you, baby

All I want for Christmas is you, baby

All I want for Christmas is you, baby

All I want for Christmas is you, baby

All I want for Christmas is you, baby

Step-by-step explanation:

Josephine has a rectangular garden with an area of 2x2 + x – 6 square feet. A rectangle labeled 2 x squared + x minus 6 Which expressions can represent the length and width of the garden? length = x2 – 3 feet; width = 2 feet length = 2x + 3 feet; width = x – 2 feet length = 2x + 2 feet; width = x – 3 feet length = 2x – 3 feet; width = x + 2 feet

Answers

D is the correct answer!

Hope this helped with the question you were looking for. Lmk on this problem if you need any help with any other questions!

The expression that can represent the length and the width are 2x - 3 and x + 2 respectively.

Area of a rectanglearea = lw

where

l = length

w = width

Therefore,

area = 2x² + x – 6

Let's factorise

2x²- 3x + 4x - 6

x(2x - 3) + 2(2x - 3)

Therefore,

(x + 2)(2x - 3)

Therefore, the expression that can represent the length and the width are 2x - 3 and x + 2 respectively.

learn more on rectangle here: https://brainly.com/question/2605457

Write an inequality that represents the verbal expression. 9 less than a number n is less than 17

Answers

Answer:

9<n<17.

Step-by-step explanation:

what is 21 because what it is

Answers

Answer:

9 +10

Step-by-step explanation:

A statistics teacher was interested in the relationship between the number of days students waited to start a project and the score that project received (out of 100 points). Information was collected on several students and was used to obtain the regression equation ŷ = –3.64x + 96.5, where x represents the number of procrastination days and ŷ is the predicted grade. Which statement best describes the meaning of the y-intercept of the regression line?

AWhen the grade is 0, the predicted number of procrastination days is 0.
BWhen the grade is 0, the predicted number of procrastination days is 96.5.
CWhen the number of procrastination days is 0, the predicted grade is 3.64 points.
DWhen the number of procrastination days is 0, the predicted grade is 96.5 points.

Answers

Answer:

The best option is: When the number of procrastination days is 0, the predicted grade is 96.5 points.

Option D is correct option.

Step-by-step explanation:

The regression equation given is: [tex]y= -3.64x + 96.5[/tex]

where x represents the number of procrastination days and ŷ is the predicted grade.

Which statement best describes the meaning of the y-intercept of the regression line?

First we need to identify what is y-intercept in regression line.

The y-intercept of the regression line is the value of output y when x is 0.

So, when x = 0, the value of output is y-intercept

So, if x = 0

we get:

[tex]y= -3.64x + 96.5\\y= -3.64(0) + 96.5\\y=0+96.5\\y=96.5[/tex]

So, the best option is: When the number of procrastination days is 0, the predicted grade is 96.5 points.

Option D is correct option.

Answer:

i just did the test, the person above me is correct!

Step-by-step explanation:

At Edwards Middle School there are 8 teachers for every 136 students. There are 850 students enrolled at the school. How many teachers are needed?

Answers

Answer:

50

Step-by-step explanation:

one teacher per 17 students

There is one teacher for every 17 students

8. A skateboard ramp is 5ft tall and is 12ft from the base of the ramp to the end. What is the length from the top of the ramp to the end?

Answers

Answer:

iacbsc kakwc s s k kd sdidv d lm vdfj

Step-by-step explanation:

The speed limit on a highway is 70 miles per hour. About how fast is this in miles per minute?
(A) 4.200 mi/min
B) 11.7 mi/min
C 1.17 mi/min
D 0.117 mi/min

Answers

Answer:

The answer is C

Step-by-step explanation:

70 miles            1 hour                   70mh

_______ x    ________       =     _______   = 1.17min

1  hour            60 mh                       60mh

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