STATS: DATA+MODELS LL W/ MYLAB 18MOS
STATS: DATA+MODELS LL W/ MYLAB 18MOS
5th Edition
ISBN: 9780135991206
Author: DeVeaux
Publisher: PEARSON
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Chapter CR, Problem 21E

(a)

To determine

Describe the distribution of the donors’ ages.

Find the 95% confidence interval for the mean age of all donors in the database.

(b)

To determine

Test whether homeowners are older than non-homeowners in the data set.

(c)

To determine

Test whether the proportion of males is greater than the proportion of female who own homes.

(d)

To determine

Describe the distribution of current gift for these donors..

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