STAT 2 Study Guide - Midterm Guide: The Instructor, Normal Distribution, Summary Statistics
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Problems from past midterms: midterm 1: (10 points) the men enrolled in a large physiology course had an average weight of 160 pounds and an sd of 25 pounds. Income (in thousands of dollars: (10 points) a distribution table for family income is shown below. The class intervals include the left end-point but not the right. (the table is a much simpli ed version of the 1991 income distribution of us families receiving a social security cheque. ) (a) plot the histogram. Label the (b) true or false, and explain: the median is ,000. 15 axes. average reaction time: 382 milliseconds average dexterity score: 7. 4 points: (5 points) there are 300 students in a large physical education class. The instructor gives everyone in the class a reaction time test and a physical dexterity test. The dex- terity test is scored out of 10 points. The averages for the class are as follows:
