Confidence interval samples
Not what you're looking for?
A sample of n=16 scores is obtained from an unknown population. The sample has a mean of M=46 with SS=6000.
a. Use the sample data to make an 80% confidence interval estimate
of the unknown population mean.
b. Make a 90% confidence interval estimate of μ.
c. Make a 95% confidence interval estimate of μ.
d. In general, how is the width of a confidence interval related to
the percentage of confidence?
Purchase this Solution
Solution Summary
This solution gives the step by step method for computing confidence interval
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
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.
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.