Mathematics, 05.05.2020 16:40 JGottem6489
Most individuals are aware of the fact that the average annual repair cost for an automobile depends on the age of the automobile. A researcher is interested in finding out whether the variance of the annual repair costs also increases with the age of the automobile. A sample of automobiles years old showed a sample standard deviation for annual repair costs of and a sample of automobiles years old showed a sample standard deviation for annual repair costs of . Let year old automobiles be represented by population . a. State the null and alternative versions of the research hypothesis that the variance in annual repair costs is larger for the older automobiles. b. Conduct the hypothesis test at a level of significance. Calculate the value of the test statistic (to 2 decimals).
Answers: 2
Mathematics, 21.06.2019 15:30, CoreyHammond1517
Click on the y intercept. -x +4 i know you cant click on it so could you just say the coordinates like (example - (1,0) you so much.
Answers: 2
Mathematics, 21.06.2019 18:30, Katlyndavis01
What is the answer to this question? i'm a bit stumped. also how do i do it? 5(x - 4) = 2(x + 5)
Answers: 1
Mathematics, 21.06.2019 21:00, moneybaggzay123
X+y=-4 x-y=2 use elimination with adding and subtraction
Answers: 3
Most individuals are aware of the fact that the average annual repair cost for an automobile depends...
History, 23.01.2020 00:31
History, 23.01.2020 00:31