Purchase Solution

Calculating Customers Needed for a Good Sample

Not what you're looking for?

Ask Custom Question

What information would you need to know to decide how many customers should be included in the sample?

If you wanted to infer the population mean level of satisfaction within plus or minus 0.5 points at a .05 level of significance, how many customers should be included in the sample? Explain how you calculated your answer.

See attached file for full problem description.

Attachments
Purchase this Solution

Solution Summary

Word document showing the calculations to find the number of customers that should be included in a study to infer the population mean level of satisfaction with a product.

Purchase this Solution


Free BrainMass Quizzes
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.

Measures of Central Tendency

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

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.