A marketing researcher wants to estimate the mean amount spent per year ($) on a web site by membership member shoppers. Suppose a random sample of 150 membership member shoppers who recently made a purchase on the web site yielded a mean amount spent of $55 and a standard deviation of $52. Complete parts (a) and (b) below. a. Is there evidence that the population mean amount spent per year on the web site by membership member shoppers is different from $52? (Use a 0.10 level of significance.) State the null and alternative hypotheses. Ho: H H1: u (Type integers or decimals. Do not round. Do not include the $ symbol in your answer.)

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 marketing researcher wants to estimate the mean amount spent per year ($) on a web site by membership member shoppers. Suppose a random sample of 150
membership member shoppers who recently made a purchase on the web site yielded a mean amount spent of $55 and a standard deviation of $52. Complete parts
(a) and (b) below.
a. Is there evidence that the population mean amount spent per year on the web site by membership member shoppers is different from $52? (Use a 0.10 level of
significance.)
State the null and alternative hypotheses.
Ho: H
H1: H
(Type integers or decimals. Do not round. Do not include the $ symbol in your answer.)
Transcribed Image Text:A marketing researcher wants to estimate the mean amount spent per year ($) on a web site by membership member shoppers. Suppose a random sample of 150 membership member shoppers who recently made a purchase on the web site yielded a mean amount spent of $55 and a standard deviation of $52. Complete parts (a) and (b) below. a. Is there evidence that the population mean amount spent per year on the web site by membership member shoppers is different from $52? (Use a 0.10 level of significance.) State the null and alternative hypotheses. Ho: H H1: H (Type integers or decimals. Do not round. Do not include the $ symbol in your answer.)
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