Chapter 6 review and application qestions

# Chapter 6 review and application qestions - it to determine...

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

Shawnae Cristobal Statistics Professor DeNike September 29, 2008 Box # 283 Chapter 6: Review and Application Questions Pages 139-140 #s 3,8,9,13 3. It is a distribution that results after transforming a distribution of raw scores into z-scores. 8. The standard deviation of the sampling distribution of means 9. (a) convert the raw score to z, use z with z-tables to find the proportion of the area under the appropriate of the normal curve, and that proportion is the rel. f, or use
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: it to determine percentile. (b) in column b or c of the z tables, find the specified rel. f or the rel. f converted from the percentile, identify the corresponding z at the proportion, transform the z into its raw score, and that score is the cutoff score. 13. ∑X = 103, ∑X² = 931, and N = 12, So S x = 1.98 and X = 8.58 a. For x=10, z=(10-8.58)/1.98 =+.72 b. For x=6, z=(6-8.58)/1.98=-1.30 14. (a) 11 (b) 7.63...
View Full Document

## This note was uploaded on 04/13/2010 for the course BUSINESS 15643 taught by Professor Schilz during the Spring '10 term at École Normale Supérieure.

Ask a homework question - tutors are online