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In: Statistics and Probability

3. A national retailer has completed an internal survey on its social media strategy. The key...

3. A national retailer has completed an internal survey on its social media strategy. The key question in the survey is whether the stores managers think that the recently- launched social media strategy is effective. The following is the output of a statistical analysis of the data:

Social Media Strategy is effective

Store Managers

No

Yes

West Region

20

35

Central Region

15

35

East Region

40

55

Based on this output, can the retailer conclude that the opinion of the store managers on the whether the recently-launched social media strategy is effective is dependent on which region they belong to? Use a chi square test and a level of significance of 0.05. (4 points)

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