10.25 Females or males more nicotine dependent? Refer to Exercise 10.23 about studying nicotine dependence using a...

Question:

10.25 Females or males more nicotine dependent? Refer to Exercise 10.23 about studying nicotine dependence using a random sample of teenagers. Of those seventh graders in the study who had tried tobacco, the mean HONC score was 2.8 1s = 3.62 for the 150 females and 1.6 1s = 2.92 for the 182 males.

a. Find a standard error for comparing the sample means.

Interpret.

b. Find the test statistic and P-value for H0: m1 = m2 against Ha: m1 m2. Interpret and explain what (if any) effect gender has on the mean HONC score.

c. Do you think that the HONC scores were approximately normal for each gender? Why or why not?

How does this affect the validity of the analysis in part b?

Fantastic news! We've Found the answer you've been seeking!

Step by Step Answer:

Related Book For  book-img-for-question

Statistics The Art And Science Of Learning From Data

ISBN: 9781292164878

4th Global Edition

Authors: Alan Agresti, Christine A. Franklin, Bernhard Klingenberg

Question Posted: