A Recent Study Compared the Time Spent Together by Single

question 4

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 64 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 20 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 > 2.457, t = 2.49, single-earner couples spend more time watching TV together.
• B) Reject if t > 2.508, t = 0.96, insufficient evidence to say that single-earner couples spend more time watching TV together.
• C) Reject if t > 2.797, t = 2.57, single-earner couples spend more time watching TV together.
• D) Reject if t > 2.042, t = 1.96, insufficient evidence to say that single-earner couples spend more time watching TV together.
• E) Reject if t > 2.485, t = 2.77, single-earner couples spend more time watching TV together.

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Definitions:

Mass Media

Various forms of communication channels and tools used to disseminate information, news, entertainment, and advertising to a large audience.

Mass Media

Various forms of communication, including newspapers, magazines, radio, television, and the Internet, that reach a large audience.

Waking Hours

The part of the day during which an individual is awake and active.

Passive Consumers

Individuals who consume products or media without actively engaging or questioning the content or quality.