A market research firm is interested in the amount that households in a certain town spend on groceries each week. The firm believes that the average amount spent per household each week is less than $90. A random sample of 100 households yields a mean of $88 and a standard deviation of $10. Do these data support the firm’s belief? Use P-value to test this claim.
A market research firm is interested in the amount that households in a certain town spend on groceries each week. The firm believes that the average amount spent per household each week is less than $90. A random sample of 100 households yields a mean of $88 and a standard deviation of $10. Do these data support the firm’s belief? Use P-value to test this claim.
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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A market research firm is interested in the amount that households in a certain town spend on groceries each week. The firm believes that the average amount spent per household each week is less than $90. A random sample of 100 households yields a mean of $88 and a standard deviation
of $10. Do these data support the firm’s belief? Use P-value to test this claim.
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