A Study Was Conducted to Determine If Husbands and Wives

question 115

Essay

A study was conducted to determine if husbands and wives like the same TV shows. Married couples ranked 15 TV shows, and the Spearman rank correlation coefficient was found to be r_s = 0.47.
A) Specify the competing hypotheses to determine if there is a positive correlation between the two rankings.
B) Assuming the Spearman rank correlation coefficient follows a normal distribution, what are the mean and standard deviation of the normal distribution?
C) Assuming the Spearman rank correlation coefficient follows a normal distribution, what is the value of the test statistic?
D) At the 5% significance level, what is the decision and conclusion?

• A) Specify the competing hypotheses to determine if there is a positive correlation between the two rankings.
• B) Assuming the Spearman rank correlation coefficient follows a normal distribution, what are the mean and standard deviation of the normal distribution?
• C) Assuming the Spearman rank correlation coefficient follows a normal distribution, what is the value of the test statistic?
• D) At the 5% significance level, what is the decision and conclusion?

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Definitions:

Focus Strategy

The focus strategy is undertaken when an organization tries to target a specific segment of the marketplace for its products or services.

Market Segment

A subgroup of people or organizations sharing one or more characteristics that cause them to have similar product and service needs.

High Uncertainty

High uncertainty refers to situations in which there is a lack of predictability or information about future events, often making decision-making difficult in both personal and business contexts.

Differentiation Strategy

A business approach where a company develops unique products or services to stand out from competitors in the market.