This preview shows page 1. Sign up to view the full content.
Unformatted text preview: f) What IQ score is at the 95 th percentile? g) What IQ would you consider to be unusually high? Explain your answer. h) What percent of people’s IQs would you expect to be over 80? i) What percent of people’s IQs would you expect to be under 90? j) About what percent of people should have IQ scores between 112 and 132? k) What is the IQR of the IQs? 31. Every Normal model is defined by its parameters, the mean and the standard deviation. For each model described below, find the missing parameter. Don’t forget to draw a picture. a) 1250 = μ , 35% below 1200; ? = σ b) 220 = , 3% below 202; ? =...
View Full Document
This note was uploaded on 04/12/2011 for the course STA 215 taught by Professor Tba during the Spring '08 term at Grand Valley State.
- Spring '08