Question

A recent study evaluated how addicted teenagers become to nicotine once they start smoking. The response variable was the number of yes answers on a questionnaire called the Hooked on Nicotine Checklist (HONC). Of teenagers who had tried tobacco, the mean HONC score was 4.1 (s = 5.2) for the 150 females and 2.7 (s = 3.5) for the 182 males. Complete parts a through c below. a. Find the standard error comparing the sample means. Interpret. The standard error is se = 0.4976. (Round to four decimal places as needed.) What does the standard error indicate? A. The standard error is the difference in standard deviations for the two populations. B. The standard error is the standard deviation of the difference between $\bar{x}_1 - \bar{x}_2$ C. The standard error describes the spread of the sampling distribution of $\bar{x}_1 - \bar{x}_2$ D. The standard error is the standard deviation of the sample for this study.

          A recent study evaluated how addicted teenagers become to nicotine once they start smoking. The response variable was the number of yes answers on a questionnaire called the Hooked on Nicotine Checklist (HONC). Of teenagers who had tried tobacco, the mean HONC score was 4.1 (s = 5.2) for the 150 females and 2.7 (s = 3.5) for the 182 males. Complete parts a through c below.
a. Find the standard error comparing the sample means. Interpret.
The standard error is se = 0.4976.
(Round to four decimal places as needed.)
What does the standard error indicate?
A. The standard error is the difference in standard deviations for the two populations.
B. The standard error is the standard deviation of the difference between $\bar{x}_1 - \bar{x}_2$
C. The standard error describes the spread of the sampling distribution of $\bar{x}_1 - \bar{x}_2$
D. The standard error is the standard deviation of the sample for this study.

A recent study evaluated how addicted teenagers become to nicotine once they start smoking. The response variable was the number of yes answers on a questionnaire called the Hooked on Nicotine Checklist (HONC). Of teenagers who had tried tobacco, the mean HONC score was 4.1 (s = 5.2) for the 150 females and 2.7 (s = 3.5) for the 182 males. Complete parts a through c below.
a. Find the standard error comparing the sample means. Interpret.
The standard error is se = 0.4976.
(Round to four decimal places as needed.)
What does the standard error indicate?
A. The standard error is the difference in standard deviations for the two populations.
B. The standard error is the standard deviation of the difference between x̅1 - x̅2
C. The standard error describes the spread of the sampling distribution of x̅1 - x̅2
D. The standard error is the standard deviation of the sample for this study.

Added by Shawn W.

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