MATH 399N Final Exam Study Guide/MATH399N Final Exam Study Guide: Chamberlain College of Nursing

MATH 399N Final Exam Study Guide / MATH399N Final Exam Study Guide (Latest): Chamberlain College of Nursing

1.               Determine if each of the following represents nominal, ordinal, interval, or ratio data.

a.                Movie ratings

b.               Test scores

c.                Colors of shirts.

2.  The following numbers represent the weights in pounds of six 7- year old children in Mrs. Jones' 2nd grade class.

{25, 60, 51, 47, 49, 45}

Find the mean; median; mode; range; variance; standard deviation.

3.  If the variance is 846, what is the standard deviation?

4.  If we have the following data

34, 38, 22, 21, 29, 37, 40, 41, 22, 20, 49, 47, 20, 31, 34, 66

Draw a stem and leaf. Discuss the shape of the distribution.

5. What type of sampling technique is (a) a wheat field is divided into sections and a random sample of stocks are taken from each section, and (b) a manufacturer measures every 80^th bottle to test for quality?

6. If a data set with a normal distribution has a mean of 32 and a standard deviation of 4.9, what percent of the data would you expect to find between 27.1 and 36.9?  What range encompasses 99.7% of these data?

Complete Content & Solution are in Enclosed Attachment. Download for Best Preparation & Secure Higher Grade.