A student at a four-year college claims that mean enrollment at four-year colleges is higher than at two- year colleges in the United States. Two surveys are conducted. Of the 35 four-year colleges surveyed, the mean enrollment was 5,466 with a standard deviation of 8,191. Of the 35 two-year colleges surveyed, the mean enrollment was 5,068 with a standard deviation of 4,777. Test the student's claim at the 0.10 significance level. a) The null and alternative hypothesis would be: O Ho:PF PT H1:pp + Pr O Ho:HF HT O Ho:HF T H:HF< HT Ho:HF HT H1:pr > PT O Ho: PF PT H:PF PT O Ho: PF Pr H1:pr Pr b) Determine the test statistic. Round to two decimals. t = c) Find the p-value and round to 4 decimals. d) Make a decision. OFail to reject the null hypothesis O Reject the null hypothesis e) Write the conclusion. O There is sufficient evidence to support the claim that enrollement is high at a four-year college than a two-year college. O There is not sufficient evidence to support the claim that enrollement is high at a four-year college than a two-year college.

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A student at a four-year college claims that mean enrollment at four-year colleges is higher than at two-
year colleges in the United States. Two surveys are conducted. Of the 35 four-year colleges surveyed, the
mean enrollment was 5,466 with a standard deviation of 8,191. Of the 35 two-year colleges surveyed, the
mean enrollment was 5,068 with a standard deviation of 4,777. Test the student's claim at the 0.10
significance level.
a) The null and alternative hypothesis would be:
O Ho:PF PT
H1:PF Pr
O Ho: HF = HT
O Ho: HF = T
H1:µF < HT
O Ho:HF HT
H:PF> Pr
Ho PF PT
H:pF Pr
O Ho: PF = PT
H: PF> Pr
b) Determine the test statistic. Round to two decimals.
c) Find the p-value and round to 4 decimals.
d) Make a decision.
O Fail to reject the null hypothesis
OReject the null hypothesis
e) Write the conclusion.
O There is sufficient evidence to support the claim that enrollement is high at a four-year college than
a two-year college.
O There is not sufficient evidence to support the claim that enrollement is high at a four-year college
than a two-year college.
Transcribed Image Text:A student at a four-year college claims that mean enrollment at four-year colleges is higher than at two- year colleges in the United States. Two surveys are conducted. Of the 35 four-year colleges surveyed, the mean enrollment was 5,466 with a standard deviation of 8,191. Of the 35 two-year colleges surveyed, the mean enrollment was 5,068 with a standard deviation of 4,777. Test the student's claim at the 0.10 significance level. a) The null and alternative hypothesis would be: O Ho:PF PT H1:PF Pr O Ho: HF = HT O Ho: HF = T H1:µF < HT O Ho:HF HT H:PF> Pr Ho PF PT H:pF Pr O Ho: PF = PT H: PF> Pr b) Determine the test statistic. Round to two decimals. c) Find the p-value and round to 4 decimals. d) Make a decision. O Fail to reject the null hypothesis OReject the null hypothesis e) Write the conclusion. O There is sufficient evidence to support the claim that enrollement is high at a four-year college than a two-year college. O There is not sufficient evidence to support the claim that enrollement is high at a four-year college than a two-year college.
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