University researchers claim that the average enrollment at four-year colleges is higher than two-year community colleges. Two surveys are undertaken at 35 four-year universities and 35 two-year colleges. The mean enrollment at the four-year institutions was 5,466 with a standard deviation of 8,191. The average enrollment at the two-year schools was 5,068 with a standard deviation of 4,777. Using a 95% confidence level, are the findings of the surveys consistent with the university researchers’ claim? a. Which test will you use to test for this statistical b.     State the null and alternative hypothesis.  i.     H0:  Ha: c. What is the value of the

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
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 University researchers claim that the average enrollment at four-year colleges is higher than two-year community colleges. Two surveys are undertaken at 35 four-year universities and 35 two-year colleges. The mean enrollment at the four-year institutions was 5,466 with a standard deviation of 8,191. The average enrollment at the two-year schools was 5,068 with a standard deviation of 4,777. Using a 95% confidence level, are the findings of the surveys consistent with the university researchers’ claim?

a. Which test will you use to test for this statistical

b.     State the null and alternative hypothesis.

 i.     H0

Ha:

c. What is the value of the test statistic 

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