This preview shows page 1. Sign up to view the full content.
Unformatted text preview: b. Find the 77th percentile c. Convert all the values to standardized values. 3. Use the table below x 1 2 4 7 8 9 frequency 1 4 4 6 7 3 a. Find the mean b. Find the median c. Is this distribution symmetric? If not, which way is it skewed? 4. Find the mean and standard deviation of the following set of numbers: 20, 30, 40, 13, 12, 33 5. Find the standardized values for the numbers 2, 5, 8, 9, and find the mean and standard deviation for those standardized values....
View
Full
Document
This note was uploaded on 04/01/2008 for the course STAT 2004 taught by Professor Melutz during the Spring '07 term at Virginia Tech.
 Spring '07
 MELutz
 Statistics

Click to edit the document details