Purchase Solution

# Normal Modelling of IQ Test Scores

Not what you're looking for?

I find this question really difficult to answer and I need help formulating a response.

Some IQ tests are standardized to a normal model with a mean of 100 and a standard deviation of 16.

a. Draw a model for these IQ scores, clearly label it , showing what the 65-95-99.7 rule predicts about the score.

b. In what interval would you expect the central 95% of IQ scores 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 abouve 132?

Thank you.

##### Solution Summary

The normal modeling of IQ test scores are examined. The interval which would you expect the central 95% of IQ scores is determined.

##### Solution Preview

Some IQ tests are standardized to a normal model with a mean of 100 and a standard deviation of 16.

a. Draw a model for these IQ scores, clearly label it , showing what the 68-95-99.7 rule predicts about the score.

68% of data lies within one standard deviation from ...

Solution provided by:
###### Education
• BSc, Meerut University
• MSc, Meerut University
• MPhil, Institute of Advanced Studies
• MSc, AIT
###### Recent Feedback
• "Perfect, thank you so much!!! I will definitely request you in the future! You are amazing!"
• "Thank you. "
• "Thank you so much I have two more that I need your help with if your available."
• "Thank you, I was wondering why you rejected me the first time."
• "Thanks again."

##### Free BrainMass Quizzes

Each question is a choice-summary multiple choice question that presents you with a statistical concept and then 4 numbered statements. You must decide which (if any) of the numbered statements is/are true as they relate to the statistical concept.

##### Measures of Central Tendency

Tests knowledge of the three main measures of central tendency, including some simple calculation questions.

##### Measures of Central Tendency

This quiz evaluates the students understanding of the measures of central tendency seen in statistics. This quiz is specifically designed to incorporate the measures of central tendency as they relate to psychological research.

##### Terms and Definitions for Statistics

This quiz covers basic terms and definitions of statistics.