Home / Expert Answers / Statistics and Probability / what-is-p-value-and-if-other-answers-are-wrong-please-give-the-correct-answer-thank-you-an-pa231

(Solved): What is p-value ???? and if other answers are wrong, please give the correct answer. Thank you! An ...



What is p-value ???? and if other answers are wrong, please give the correct answer.

Thank you!

An article in the San Jose Mercury News stated that students in the California state university system take
5.5 years, on ave

An article in the San Jose Mercury News stated that students in the California state university system take 5.5 years, on average, to finish their undergraduate degrees. A freshman student believes that the mean time is less and conducts a survey of 67 students. The student obtains a sample mean of 4.1 with a sample standard deviation of 1.1. Is there sufficient evidence to support the student's claim at an a = 0.1 significance level? Preliminary: a. Is it safe to assume that n ? 5% of all college students in the local area? O No ? Yes b. Is n ? 30 ? ? Yes O No Test the claim: a. Determine the null and alternative hypotheses. Enter correct symbol and value. Ho: ? = 5.5 Ha: ? ? ? 5.5 b. Determine the test statistic. Round to four decimal places. t = -10.4177 c. Find the p-value. Round to 4 decimals. p-value = d. Make a decision. Reject the null hypothesis.


We have an Answer from Expert

View Expert Answer

Expert Answer


using excel>addin>phstat>one sample t test we have Null Hypothesis m= 5.5 Level of Significance 0.1 Sample Size 67 Sample Mean 4.1 Sample Sta
We have an Answer from Expert

Buy This Answer $5

Place Order

We Provide Services Across The Globe