# Statistics testing : confidence interval for mean

Document Sample

```					              Sub: Statistics                                                                                  Topic: Testing

Question:
What is the 99% confidence interval for mean?

ClassOf1 provides expert guidance to College, Graduate, and High school students on homework and assignment problems in
Math, Sciences, Finance, Marketing, Statistics, Economics, Engineering, and many other subjects.

The mean daily sales at the Stop and Go is \$20,000 for a sample of 40 days. The standard
deviation of the sample is \$3,000.

What is the 99 % confidence interval?

Solution:
The information given i
```
DOCUMENT INFO
Shared By:
Categories:
Stats:
 views: 12 posted: 3/25/2010 language: English pages: 2
Description: What is the 99% confidence interval for mean : The mean daily sales at the Stop and Go is \$20,000 for a sample of 40 days. The standard deviation of the sample is \$3,000.
BUY THIS DOCUMENT NOW PRICE: \$15 100% MONEY BACK GUARANTEED
PARTNER
Classof1 is a supplemental education company providing comprehensive online tutoring, homework guidance, and e-learning courseware development services to the school, college, and university student communities. As a part of its endeavor to help students around the world to excel in their studies, Classof1 has built a repository of self-study guides with step-by-step solutions and lucid explanations. These guides have been created and whetted by expert tutors with several years of experience in education. Apart from Docstoc.com, these self-help guides are also available at Classof1’s Solution Library (http://classof1.com/solution-library). Please visit www.classof1.com for further information.