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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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:

  1. Is it safe to assume that n≤5%n≤5% of all college students in the local area?
    • No
    • Yes


  2. Is n≥30n≥30 ?
    • Yes
    • No
     

Test the claim:

  1. Determine the null and alternative hypotheses. Enter correct symbol and value.

    H0H0: μ=μ=
    HaHa: μμ? < ≠ >  

  2. Determine the test statistic. Round to two decimals.
    t=t=

  3. Find the pp-value. Round to 4 decimals.
    pp-value = 
  4. Make a decision.
    • Fail to reject the null hypothesis.
    • Reject the null hypothesis.


  5. 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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