A marketing study had as its purpose the examination and comparison of response rates by different sized business to postal surveys. 200 large and 200 small companies were investigated. A company was deemed to have responded if the survey was returned within 6 weeks of being posted out. The data are shown in the Table. Small Large Total Response 125 96 221 No Response 75 104 179 Total 200 200 400 Chi-Sq = 8.504; DF = 1; P-Value = 0.004 Table. Results of Survey Experiment State the null and alternative hypotheses associated with the chi-squared test. Interpret the result in this case.
A marketing study had as its purpose the examination and comparison of response rates by different sized business to postal surveys. 200 large and 200 small companies were investigated. A company was deemed to have responded if the survey was returned within 6 weeks of being posted out. The data are shown in the Table. Small Large Total Response 125 96 221 No Response 75 104 179 Total 200 200 400 Chi-Sq = 8.504; DF = 1; P-Value = 0.004 Table. Results of Survey Experiment State the null and alternative hypotheses associated with the chi-squared test. Interpret the result in this case.
MATLAB: An Introduction with Applications
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ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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A marketing study had as its purpose the examination and comparison of response rates by
different sized business to postal surveys. 200 large and 200 small companies were investigated. A
company was deemed to have responded if the survey was returned within 6 weeks of being
posted out. The data are shown in the Table.
Small Large Total
Response 125 96 221
No Response 75 104 179
Total 200 200 400
Chi-Sq = 8.504; DF = 1; P-Value = 0.004
Table. Results of Survey Experiment
State the null and alternative hypotheses associated with the chi-squared test. Interpret
the result in this case.
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