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Business Statistics, 3rd Edition
book

Business Statistics, 3rd Edition

by Naval Bajpai
April 2024
Intermediate to advanced content levelIntermediate to advanced
921 pages
37h 16m
English
Pearson India
Content preview from Business Statistics, 3rd Edition
Chapter 13
PB
Hypothesis Testing for Categorical Data (Chi-Square Test)
495
Step 6: Analyse the data
Figure 13.11 shows the contingency table with expected frequencies and computed c
2
statistic
(Minitab output).
Step 7: Arrive at a statistical conclusion and business implication
At 95% con dence level, the critical value obtained from the chi-square table is χ
0056
2
12 59
.,
.= . c
2
is calculated as 29.173. Calculated value of c
2
statistic (29.173) is greater than the tabular value of c
2
statistic (12.59) and falls in the rejection region. Hence, the null hypothesis is rejected and the alternative
hypothesis is accepted.
There is enough evidence to ...
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Publisher Resources

ISBN: 9789390168996