# Refer to Exercise 6.S.8. (a) What conditions are required for the validity of the confidence intervals? (b) Which of the conditions of part (a) can be checked (roughly) from the histogram of Figure 6.2.1? (c) Twin births were excluded from the lamb birthweight data. If twin births had been included, would the confidence intervals be valid? Why or why not?

Refer to Exercise 6.S.8.

(a) What conditions are required for the validity of the confidence intervals?

(b) Which of the conditions of part (a) can be checked (roughly) from the histogram of Figure 6.2.1?

(c) Twin births were excluded from the lamb birthweight data. If twin births had been included, would the confidence intervals be valid? Why or why not?

(a) What conditions are required for the validity of the confidence intervals?

(b) Which of the conditions of part (a) can be checked (roughly) from the histogram of Figure 6.2.1?

(c) Twin births were excluded from the lamb birthweight data. If twin births had been included, would the confidence intervals be valid? Why or why not?

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**Related Book For**

## Statistics For The Life Sciences

5th Edition

Authors: Myra Samuels, Jeffrey Witmer, Andrew Schaffner

ISBN: 9780321989581