Question in Statistics and Probability 2

Petrol samples were taken at three different stations along a national highway to determine whether the octane rating varied from one station to another. Six petrol specimens of the same category were randomly selected at each station in different days. We are interested to know if there is sufficient evidence to indicate a difference in the mean octane rating at the different stations.
 
State the Null and the Alternative Hypotheses. 
​

However burdensome their lives from sunup to sundown, after work slaves established a sense of self-worth and community. Discuss the factors that made this possible. Answer in 3-5 paragraphs if possible thank you! Why was a weak national government created under the Articles of Confederation? Part of the president job involves foreign affaires which include working with ambassadors to foreign countries how do these ambassadors get their jobs What is 4,327 rounded to the nearest thousand? 12. Convert 30.283 into a degree-minute-second format.O A. 18 16' 98"B. 18 28' 30"C. 30 16' 58"D. 30 28' 30" account question Externalities may prevent competitive markets from operating efficiently because A. consumers may buy goods in the black market. B. market prices may reflect the activities of consumers or producers on others. C. the market may goods that generate externalities on others. D. the market may goods that generate externalities on others. E. producers may sell goods outside of the market. Travis just got promoted to network administrator after the previous administrator left rather abruptly. There are three new hires that need onboarding with user accounts. When Travis looks at all the existing account names, he notices there is no common naming system. Where should he look to try to give the new hires user accounts with proper naming conventions Select the correct answer.Given the following formula, solve for l.A. B. C. D. Trong cc x nghip khng phi c quyn, ti sao phn ln cc nh t bn cngnghip phi nhng mt phn gi tr thng d cho nh t bn thng nghip nht bn thng nghip thc hin chc nng lu thng? Write 128 as a product of its prime factors I really need help with this question please! Q/29304199UEAofferUCL A teacher has a conference with a parent who is angry because he claims the final grade his son received on the literature unit is unfair. According to the parent, the grade had nothing to do with what the student did or learned in class. The teacher responds by showing the parent the unit objectives, class activities, and test questions and explains how they fit together. The teacher is presenting evidence of the Group of answer choices reliability of the literature unit. validity of the learning objectives. reliability of the test. validity of the grade. 1. Three products from renewable resources are Can someone help me with this word search? "According to new growth theory, ______. A. prosperity will last but growth will not last because eventually the real interest rate falls, which slows the capital accumulation needed for growth B. growth can persist indefinitely C. growth rates and income levels per person around the globe will converge D. labor productivity grows most quickly in countries with the largest populations" what is the answer for 7 to the negitive second power. Given the linear function f(x) 2/3x + 6 evaluate f(-6) 8. Compare the advantages and disadvantages of using a smartphone rather than a laptop computer for creating a report.