Purchase Solution

Confidence Intervals of Two Populations

Not what you're looking for?

Ask Custom Question

The following sample information is given concerning the ACT scores of high school seniors form two local schools.

School A School B
n1 = 14 n2= 15
x1 = 25 x2 = 23
var1 = 16 var 2 = 10

Develop a 95% confidence interval estimate for the difference between the two populations.

Purchase this Solution

Solution Summary

The solution find the confidence intervals of two populations - the ACT scores of high school seniors.

Purchase this Solution

Free BrainMass Quizzes
Know Your Statistical Concepts

Each question is a choice-summary multiple choice question that presents you with a statistical concept and then 4 numbered statements. You must decide which (if any) of the numbered statements is/are true as they relate to the statistical concept.

Measures of Central Tendency

Tests knowledge of the three main measures of central tendency, including some simple calculation questions.

Terms and Definitions for Statistics

This quiz covers basic terms and definitions of statistics.

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.