Some IQ tests are standardized to a Normal model, with a mean of 100 and a standard

Question:

Some IQ tests are standardized to a Normal model, with a mean of 100 and a standard deviation of 16.
a) Draw the model for these IQ scores. Clearly label it, showing what the 68-95-99.7 Rule predicts.
b) In what interval would you expect the central 95% of IQ scores to be found?
c) About what percent of people should have IQ scores above 116?
d) About what percent of people should have IQ scores between 68 and 84?
e) About what percent of people should have IQ scores above 132?
Fantastic news! We've Found the answer you've been seeking!

Step by Step Answer:

Related Book For  book-img-for-question

Stats Data And Models

ISBN: 662

4th Edition

Authors: Richard D. De Veaux, Paul D. Velleman, David E. Bock

Question Posted: