A Recent Study Compared the Time Spent Together by Single

question 92

Multiple Choice

A recent study compared the time spent together by single and dual-earner couples. According to
The records kept during the study, the mean amount of time spent together watching TV among
Single-earner couples was 61 minutes per day, with a standard deviation of 15.5 minutes. For the
Dual-earner couples, the mean time was 48.4 and the standard deviation was 18.1. At a 0.01
Significance level, can we conclude that the single-earner couples on average spend more time
Watching TV together? There were 15 single-earner and 12 dual-earner couples studied. State the
Decision rule, the value of the test statistic, and your decision.

• A) Reject if t > 2.485, t = 1.91, insufficient evidence to say that single-earner couples spend more time watching TV together.
• B) Reject if t > 2.485, t = 2.11, insufficient evidence to say that single-earner couples spend more time watching TV together.
• C) Reject if t > 2.473, t = 1.95, insufficient evidence to say that single-earner couples spend more time watching TV together.
• D) Reject if t > 2.473, t = 2.55, single-earner couples spend more time watching TV together.
• E) Reject if t > 2.485, t = 2.55, single-earner couples spend more time watching TV together.

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Definitions:

Patriotism

Love for or devotion to one's country.

Dogmatism

An unwavering adherence to a principle or doctrine, often without regard to evidence or the opinions of others.

Cultural Misunderstanding

Occurs when people from different cultural backgrounds misinterpret each other's actions, words, or intentions due to cultural differences.

Entertaining

Providing amusement or enjoyment through various forms of art, media, or activities.