Exercise7

# Exercise7 - SAS In Class Exercise 7 1 You have a text file...

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SAS In Class Exercise 7 1. You have a text file called grades.txt containing information on gender (M or F) and four test scores (English, History, Math and Science). Each data value is separated from the others by one or more blanks. Here is a listing of the data file: File grades.txt M 80 82 85 88 F 94 92 88 96 M 96 88 89 92 F 95 80 92 92 (a) For each student, compute the sum of the four test scores. (b) For each student, find the minimum of the four test scores. 2. Find the area under the standard normal curve between these values (a) z = 0 and z = 1.4 (b) z = -1.5 and z = 0 (c) z = - 0.5 and z = 1.8 (d) z = 1.28 and z = 1.96 3. Let Z ~ N(0, 1), that (a) P(Z < z0) = 0.5, then z0 = ___. (b) P(Z > z0) = 0.25, then z0 = ___. (c) P(Z > z0) = 0.05, then z0 = ___. (d) P(-z0 < Z < z0) = 0.95, then z0 = ___. 4. Verify the p-value that is given in the following SAS output. (a) Page 19 of chapter 2

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SAS (b) Page 8 of Chapter 5
SAS (c) Page 16 of Chapter 5 (d) Page 2 of Chapter 6

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SAS 5. Rewrite the following program using %LET to assign the starting and ending values of the DO loop
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Exercise7 - SAS In Class Exercise 7 1 You have a text file...

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