Purchase Solution

Confidence intervals for pharmacy customers

Not what you're looking for?

Ask Custom Question

A random sample of 16 pharmacy customers showed the waiting times below in minutes. Find a 90 percent interval for u, assuming that the sample is from a normal population.

21 22 22 17 21 17 23 20
20 24 9 22 16 21 22 21

Purchase this Solution

Solution Summary

This solution examines confidence intervals for pharmacy customers.

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.

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.

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.