Purchase Solution

HOOPS: Statistically analyze the change in monthly sales

Not what you're looking for?

Ask Custom Question

Hi, I need some guidance with this question:

In the past, monthly sales for HOOPS, a small software firm, have averaged $20,000 with standard deviation
$4000. During the last year sales averaged $22,000 per month. Does this indicate that monthly
sales have changed (in a statistically significant sense)? Use  0.05.

Assume monthly sales are normally distributed.

Purchase this Solution

Solution Summary

This solution is comprised of a neat, step-by-step solution of how to statistically analyze change in monthly sales.

Solution Preview

Ho: There is no change in the monthly sales, that is mu = 20000

Ha: There is a significant change in the monthly ...

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.