Assignment2

# Assignment2 - 4 A cumulative percentage distribution(3...

This preview shows page 1. Sign up to view the full content.

Psychology 1167 Assignment 2 Imagine that you are a teacher and that you have just given your class of 25 students a quiz. Their scores are as follows: Quiz Scores 6 7 9 2 8 8 4 8 9 2 4 1 1 7 8 2 3 8 9 1 9 8 6 5 9 With this data, construct the following: 1. A frequency distribution. (3 points) 2. A relative frequency distribution (present as percentages). (3 points) 3. A cumulative frequency distribution. (3 points)
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: 4. A cumulative percentage distribution. (3 points) Once you have done that, calculate: 5. The 28 th and 56 th percentiles (2 points) 6. The percentile rank for a score of 6 (1 point) 7. The percentile rank for a score of 7. (1 point) Don’t forget to use real limits when they are appropriate! (16 points)...
View Full Document

## This note was uploaded on 03/26/2011 for the course PSYCH 1167 taught by Professor Bingshi during the Spring '10 term at Temple.

Ask a homework question - tutors are online