The average student-loan debt is reported to be $25,235. A student believes that the student-loan debt is higher in her area. She takes a random sample of 100 college students in her area and determines the mean student-loan debt is $27,524 and the standard deviation is $6,000. Is there sufficient evidence to support the student's claim a 5% significance level? Preliminary: a. Is it safe to assume that n < 5% of all college students in the local area? O Yes O No b. Is n > 30? O Yes O No Test the claim: c. Determine the null and alternative hypotheses. Enter correct symbol and value. Ho: Ha? d. Determine the test statistic. Round to two decimals. e. Find the p-value. Round to 4 decimals. p-value = f. Make a decision. O Fail to reject the null hypothesis. O Reject the null hypothesis.
The average student-loan debt is reported to be $25,235. A student believes that the student-loan debt is higher in her area. She takes a random sample of 100 college students in her area and determines the mean student-loan debt is $27,524 and the standard deviation is $6,000. Is there sufficient evidence to support the student's claim a 5% significance level? Preliminary: a. Is it safe to assume that n < 5% of all college students in the local area? O Yes O No b. Is n > 30? O Yes O No Test the claim: c. Determine the null and alternative hypotheses. Enter correct symbol and value. Ho: Ha? d. Determine the test statistic. Round to two decimals. e. Find the p-value. Round to 4 decimals. p-value = f. Make a decision. O Fail to reject the null hypothesis. O Reject the null hypothesis.
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:The average student-loan debt is reported to be $25,235. A student believes that the student-loan
debt is higher in her area. She takes a random sample of 100 college students in her area and
determines the mean student-loan debt is $27,524 and the standard deviation is $6,000. Is there
sufficient evidence to support the student's claim at a 5% significance level?
Preliminary:
a. Is it safe to assume that n < 5% of all college students in the local area?
Yes
O No
b. is n> 30?
Yes
O NO
Test the claim:
c. Determine the null and alternative hypotheses. Enter correct symbol and value.
Ho:
Ημ?ν
d. Determine the test statistic. Round to two decimals.
t
e. Find the p-value. Round to 4 decimals.
p-value =
f. Make a decision.
O Fail to reject the null hypothesis.
O Reject the null hypothesis.
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