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1. In a research project on the influence of music on retail shopping expenditure, a researcher recruited a sample of 300 customers. One Day they went shopping on the grocery store and spent some money. Another day the same 100 people went to the store and spent money but on this day the store was playing popular songs. How can the researcher identify if there is a difference in their shopping expenses due to the music change?

1. In a research project on the influence of music on retail shopping expenditure, a researcher recruited a sample of 300 customers. One Day they went shopping on the grocery store and spent some money. Another day the same 100 people went to the store and spent money but on this day the store was playing popular songs. How can the researcher identify if there is a difference in their shopping expenses due to the music change?

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 25PPS
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2. Data was collected twice from 100 customers regarding satisfaction with food at a Chinese restaurant with an interval of 30 days. How can the researcher use the survey to know if the level of satisfaction was the same.
Transcribed Image Text:2. Data was collected twice from 100 customers regarding satisfaction with food at a Chinese restaurant with an interval of 30 days. How can the researcher use the survey to know if the level of satisfaction was the same.
1. In a research project on the influence of music on retail shopping expenditure, a researcher recruited a sample of 300 customers. One Day they went shopping on the grocery store and spent some money. Another day the same 100 people went to the store and spent money but on this day the store was playing popular songs. How can the researcher identify if there is a difference in their shopping expenses due to the music change?
Transcribed Image Text:1. In a research project on the influence of music on retail shopping expenditure, a researcher recruited a sample of 300 customers. One Day they went shopping on the grocery store and spent some money. Another day the same 100 people went to the store and spent money but on this day the store was playing popular songs. How can the researcher identify if there is a difference in their shopping expenses due to the music change?
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