IM3.7.8 Exit Ticket
IQ Tests
On the Wechsler Adult Intelligence Scale, an average IQ is 100 with a standard deviation of 15 units. (Source: http://en.wikipedia.org/wiki/Intelligence_quotient) [br][br]8. IQ scores between 90 and 109 are considered average. Assuming IQ scores follow a Normal [br]distribution, what percent of people are considered average? [br][br]9. One measure of Genius is an IQ score of above 135. What percent of people are considered genius? [br] [br]10. Einstein had an IQ score of 160. What is his z-score? [br] [br]11. What is the probability of an individual having a higher IQ than Einstein? [br]
Mrs. Hader's Class
The data below is from a test given in a math class. Students needed a score of 60 or better to pass the test. [br]1. Complete the two way frequency table of the number of students who passed and failed in each class.[br]2. Complete the two way relative frequency table by entering the percentages of students who passed and failed.
Above is a histogram of Mrs. Hader's math class's scores.[br]1. Is this distribution normal? Explain.[br]2. If Mrs. Hader were going to predict her total pass rate using only second period, would she have a good prediction? Explain.