Answered: A data set about speed dating includes…

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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A data set about speed dating includes "like" ratings of male dates made by the female dates. The summary statistics are

n=186,

x=7.85,

s=2.03.

Use a 0.05significance level to test the claim that the population mean of such ratings is less than 8.00.
Assume that a simple random sample has been selected. Identify the null and alternative hypotheses, test statistic, P-value, and state the final conclusion that addresses the original claim.

What are the null and alternative hypotheses?

H0: μ=8.00

H1: μ<8.00

Your answer is correct.

Determine the test statistic.______

(Round to two decimal places as needed.)

Determine the p-level._____

(Round to three decimal places as needed.)

Failed to reject OR Reject? Sufficient information or No sufficient information?

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