QUESTION 3
Essential body fat is necessary to maintain life and reproductive functions. Therefore, a
lecturer from Faculty of Sport Science and Recreation conducts a research to find the
determinants of a body fat. There are three possible predictor variables in this research which -
are triceps skinfold thickness (X1), thigh circumference (X2) and mid-arm circumference (X3).
The estimation results of all possible models are provided in Appendix 2.
a) Write down the estimated model for this situation.
(1 marks)
b) Test whether the whole model is appropriate for the data. Then, using the partial F-
test, test whether thigh circumference and mid-arm circumference contributes
significantly to the prediction of body fat. Use a=0.05.
(9 marks)

Answer:

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Test a claim that the mean amount of carbon monoxide in the air in U.S. cities is less than parts per million. It was found that the mean amount of carbon monoxide in the air for the random sample of cities is parts per million and the standard deviation is parts per million. At ​, can the claim be​ supported? Complete parts​ (a) through​ (e) below. Assume the population is normally distributed.

QUESTION 1
from pg 89
1.1. Do your own research about the history of curriculum development in South Africa
since 1994. Identify and compare major changes that took place. P9 87
(5)

Which of the following is the correct equation for photosynthesis?

THIS IS A ECONOMICS QUESTION
True or False
A market system sees its primary economic goal the goal of equity.

Six Different statistic books,seven different economics books are arranged on a shelf.How Many Diiferent Arrangements are possible if: 1.The books in each particulare subject must all stand together?​

You a learning Facilitator for Natural Sciences at your School you have experienced a Steep decline in the performance for grade 12 learners at your school - Explain how you will go about assisting educators under your care to improve learner performance by Conducting a workshop in which you teach them about Intergrating the following & basic skills in their lesson presentation. The skill of probing question the skill of explaining and the skill of reinforcement and skill of reinforcement. ​

Dialogue between Michael and an educator about his lifestyle and his Choice of studying at an FET College and eating habits
​

pls help! I need the answer fast!

The valves in the heart open and close to move blood in between heart chambers. O a) three directions O b) two directions O c) four directions d) one direction

Which expression is equivalent to x2 - 12x + 11?
O (x+11)(x + 1)
O (x - 11)(x+1)
O (x + 11)(x - 1)
o (x - 11)(x - 1)

Question 1 (1 point)
A ball rolling downhill has both potential and kinetic energy.

True

False

So sánh tư tưởng kinh tế và học thuyết kinh tế ?

THIS IS AN ECONOMICS QUESTION
TRUE OR FALSE
The law of demand says that as the income of the consumer changes the demand will change in direct proportion to the income change.

briefly explain why the primary, secondary, tertiary and quanternery sectors are important in society​

Cara has just come in for her morning shift, but the sales floor is a mess. Looks like the night crew didn't clean up. She groans, but then she cleans the displays before the customers come. If you don't, who will? What good problem-solving skills do you display? a) seek advice when necessary b) be open to seeing new perspectives O c) have a solution-oriented attitude 4. o d) not be afraid of making mistakes

3 tips that would use to advise future students who are perparing for ACT

A box of nine iPhone 5C cellphones (the iPhone “for the colorful”) contains two yellow cellphones and seven green cellphones. (a) If two cellphones are randomly selected from the box, without replacement (the first cellphone is not returned to the box after it is selected), what is the probability that both cellphones selected will be green? (b) If two cellphones are randomly selected from the box, without replacement (the first cellphone is not returned to the box after it is selected), what is the probability that there will be one yellow cellphone and one green cellphone selected? (c) If three cellphones are selected, with replacement (the first cellphones are returned to the box after it is selected), what is the probability that all three will be yellow? (d) If you were sampling with replacement (the first cellphone is returned to the box after it is selected), what would be the answers to (a) and (b)? 3

A large company is interested in opening an on-site gym for the employees and would like to know what hours the employees would prefer to have the gym open.

Which data collection method would provide an unbiased sample?

a.)
Emailing a questionnaire to the employees
b.)
Asking all employees who work from 8am - 5pm
c.)
Posting a request for survey volunteers in the company's breakroom
d.)
Asking five random employees from each shift

Natalie's team needs to make a decision on how to handle a big product recall. People on the team have a lot of strong opinions. Management wants everyone to come to a consensus and to find a solution that everyone can support . What's the best way to get to a consensus ? O a) Everyone on the team talks until the entire team agrees on one decision. Ob ) Everyone on the team discusses options and then votes. Oc ) The team passes the decision - making responsibility to an outside person. d ) The team leader makes a decision without input from the other members .

how did dinosaurs die (worng answers only)​

1. Country
Female
Male
India
64
62
Norway
82
77
Bolivia
66
62
Ghana
59
58
Austria
82
76
South Africa
56
51
United Kingdom
81
76
Myanmar
63
57
China
74
70
Panama
77
72
2.
Create a scatter plot for the data on the grid. Identify any clusters or outliers.

If we wanted to explore the idea that mother's smoking might explain the variation in birth weight, what visualization might be helpful to us?

THIS IS AN ECONOMICS QUESTION

When economists and policy makers talk about full employment, they do not mean 100 percent employment, rather they mean reaching a certain point that still leaves a portion of the labor force unemployed. Why is this the case and what are the kinds of unemployment that exist that do not allow us to reach 100 percent employment?

..but as he drove his lance-point into the sail the wind whirled it round with such force that it shivered the lance to pieces, sweeping with it horse and rider, who went rolling over on the plain, in a sorry condition.

Which definition matches the use of the word shivered in in the excerpt?

A. Stuck
B.Swung
C.Splintered
D. Surrenderd

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A Sink contains exactly 12 liters of water. If water is drained from the sink until it holds exactly Gliter of water less than the quantity drained aitay, how many liters of water were drained away?​

Bạn hãy phân biệt Market Targeting và Target Marketing

Which behavior would best describe someone who has good communication skills with customers ? a) Following up with some customers b) Talking to customers more than listening to them c) Repeating back what the customer says d) Interrupting customers frequently

which career fields have skills shortages?​

THIS IS AN ECONOMICS QUESTION

Several factors are implicit in determining the growth trend for an economy. List at least three of these factors and explain how they affect the growth rate of an economy.