Purchase Solution

Statistics Problem: Adolescents and Friends of a Different Race

Not what you're looking for?

A subsample of the 2008 MTF survey suggests that black adolescents are more accepting of having friends of a different race than white adolescents. Of the 184 black adolescents who answered the question about race and friendship, 44% reported that having friends of a different race is "desirable." However, of the 867 white adolescents who answered the question about race and friendship, only 39% reported that having friends of a different race is "desirable."

a. Calculate the 95% confidence interval for each proportion reported.
b. Write a summary based on your calculation suggesting at least two reasons for the observed difference.

Solution Summary

This solution provides steps to calculate the 95% confidence interval and writes a summary on the calculation.

Solution Preview

The critical value for 95% confidence interval is 1.96
a. For the first group, p = 0.44
Margin of error = 1.96*sqrt(0.44*(1-0.44)/184) = 0.072
The upper limit: 0.44+0.072 = ...

Measures of Central Tendency

This quiz evaluates the students understanding of the measures of central tendency seen in statistics. This quiz is specifically designed to incorporate the measures of central tendency as they relate to psychological research.

Terms and Definitions for Statistics

This quiz covers basic terms and definitions of statistics.