QUESTION 4 A report shows that the average cost of tuition and fees at a four-year university is $5,820. A researcher believes the average cost is actually higher than $5,820. She selects a random sample of 46 universities and finds the mean to be $6,100, with standard deviation of $759. a) Formulate the null and alternative hypotheses. b) Is there enough evidence to support the researcher's claim at the 5% level of significance

QUESTION 4 A report shows that the average cost of tuition and fees at a four-year university is $5,820. A researcher believes the average cost is actually higher than $5,820. She selects a random sample of 46 universities and finds the mean to be $6,100, with standard deviation of $759. a) Formulate the null and alternative hypotheses. b) Is there enough evidence to support the researcher's claim at the 5% level of significance

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter10: Statistics

Section10.4: Distributions Of Data

Problem 19PFA

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