Friday

August 22, 2014

August 22, 2014

Posted by **Melvin** on Monday, October 31, 2011 at 1:55pm.

You are asked to determine the typical number of sales of a certain product at the store you work for. A sample of 50 days over the last quarter shows an average of 55 units sold per day with a standard deviation of 10 units.

a. Construct a 95 percent confidence interval around the mean.

b. Construct a 99 percent confidence interval around the mean.

c. Show the two limits on a graph of some sort

d. Interpret your results

**Related Questions**

stats - Relatively speaking, which statistics exam did you do better on? On ...

Statistics - A class survey in a large class for first-year college students ...

Math - a teacher asked her students to think of a number, multiply by 5, and ...

math - a teacher asked her students to think of a number, multiply by 5, and ...

C++ Programming - Design and create a class named Stats that has an array of 12 ...

math - a teacher asked her students to think of a number, multiply by 5, and ...

Stats - Use this table to answer the questions. Height (in inches) Frequency 50...

Statistics - For some reason I didn't get the entire questions submitted on the ...

stats - Which test do you use to solve this problem One-sample or independent ...

stats - Which test do you use to solve this problem One-sample or independent ...