StatCrunch Project #1
Go to http:/www.statcrunch.com/app/index.php?dataid=1338540&groupid=2516
The username and password for StatCrunch is the same as your MyStatLab username and
password. Answer the following questions. The results should be typed. The g

StatCrunch Project #1
Go to http:/www.statcrunch.com/app/index.php?dataid=1338540&groupid=2516
The username and password for StatCrunch is the same as your MyStatLab username and
password. Answer the following questions. The results should be typed. The g

Answer the following:
Two classes of students took a test, with their scores listed below.
1. Compute the mean and standard deviation for each of the data sets:
Class A:
50, 49, 51, 55, 45
Class B:
50, 40, 60, 80, 20
2. In statistical terms, describe the

You are to collect sample data, and use the method to form a confidence interval for the population
mean based on a sample.
You should choose one of the following:
1. Mean age of cars driven by statistics students and/or the mean age of cars driven by fac