Researchers Want to Check Whether Women Really Speak More Than

question 26

Multiple Choice

Researchers want to check whether women really speak more than men per day. During the day conversations of 873 adults selected randomly were recorded and then analyzed for the number of words. Researchers report that the mean number of words per day for the sample of women was 15,734 and the mean number for the sample of men was 13,813. The resulting data are given in the accompanying table.
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Construct and interpret a 95% confidence interval estimate for the difference in mean number of words per day for women and men.

• A)The confidence interval is (1,700;2,142) You can be 95% confident that the actual difference in mean number of words per day for women and men is between 1,700 and 2,142
• B)The confidence interval is (1,574;2,268) You can be 95% confident that the actual difference in mean number of words per day for women and men is between 1,574 and 2,268.
• C)The confidence interval is (1,657;2,185) You can be 95% confident that the actual difference in mean number of words per day for women and men is between 1,657 and 2,185.
• D) The confidence interval is (1,787;2,055) You can be 95% confident that the actual difference in mean number of words per day for women and men is between 1,787 and 2,055.
• E)The confidence interval is (1,915;1,927) You can be 95% confident that the actual difference in mean number of words per day for women and men is between 1,915 and 1,927.

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Definitions:

Heredity

The transmission of physical or genetic characteristics from parents to offspring through genes.

Environment

The surroundings or conditions in which a person, plant, or animal lives or operates, including natural, social, and built factors.

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Schizophrenia is a mental disorder characterized by disruptions in thought processes, perceptions, emotional responsiveness, and social interactions.

Anorexia Nervosa

A psychological and possibly life-threatening eating disorder characterized by an extremely low body weight, fear of gaining weight, and a distorted perception of body weight.