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: Is it safe to assume that n≤5%n≤5% of all college students in the local area? No Yes Is n≥30n≥30 ? Yes No Test the claim: Determine the null and alternative hypotheses. Enter correct symbol and value. H0H0: μ=μ= HaHa: μμ? < ≠ > Determine the test statistic. Round to two decimals. t=t= Find the pp-value. Round to 4 decimals. pp-value = Make a decision. Fail to reject the null hypothesis. Reject the null hypothesis. Write the conclusion. There is sufficient evidence to support the claim that student-loan debt is higher than $25,235 in her area. There is not sufficient evidence to support the claim that student-loan debt is higher than $25,235 in her area.
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: Is it safe to assume that n≤5%n≤5% of all college students in the local area? No Yes Is n≥30n≥30 ? Yes No Test the claim: Determine the null and alternative hypotheses. Enter correct symbol and value. H0H0: μ=μ= HaHa: μμ? < ≠ > Determine the test statistic. Round to two decimals. t=t= Find the pp-value. Round to 4 decimals. pp-value = Make a decision. Fail to reject the null hypothesis. Reject the null hypothesis. Write the conclusion. There is sufficient evidence to support the claim that student-loan debt is higher than $25,235 in her area. There is not sufficient evidence to support the claim that student-loan debt is higher than $25,235 in her area.
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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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:
- Is it safe to assume that n≤5%n≤5% of all college students in the local area?
- No
- Yes
- Is n≥30n≥30 ?
- Yes
- No
Test the claim:
- Determine the null and alternative hypotheses. Enter correct symbol and value.
H0H0: μ=μ=
HaHa: μμ? < ≠ > - Determine the test statistic. Round to two decimals.
t=t= - Find the pp-value. Round to 4 decimals.
pp-value = - Make a decision.
- Fail to reject the null hypothesis.
- Reject the null hypothesis.
- Write the conclusion.
- There is sufficient evidence to support the claim that student-loan debt is higher than $25,235 in her area.
- There is not sufficient evidence to support the claim that student-loan debt is higher than $25,235 in her area.
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