SBIQ {PASWR} | R Documentation |
A school psychologist administered the Stanford-Binet intelligence quotient (IQ) test in two counties. Forty randomly selected, gifted and talented students were selected from each county. The Stanford-Binet IQ test is said to follow a normal distribution with a mean of 100 and standard deviation of 16.
SBIQ
A data frame with 40 observations on the following 2 variables:
County1
County2
Ugarte, M. D., Militino, A. F., and Arnholt, A. T. (2008) Probability and Statistics with R. Chapman & Hall/CRC.
attach(SBIQ) qqnorm(County1) qqline(County1) detach(SBIQ)