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Exam 2 Review - Steps to getting actual answers!_1

# Exam 2 Review - Steps to getting actual answers!_1 -...

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Question 1 Amount Studied L M H Grade C 2  67% 1  25% 0    100% 3    30% B 1  33% 2   50% 1     33% 4    40% A 0   0% 1   25% 2    67% 3   30% 3    100% 4    100% 3    100% 10    100% Question 2 Amount Studied L M H Grade C 2 1 0 3 Gamma  B 1 1 4 A 0 1 2 3 C D 3 4 3 2 x (2+1+1+2) 0 x (2+1+1+ 1 x (2+1) 1 x (1 + 0) 1 x (2+1) 1 x (1 + 0) 2 x (2) 2 x (0) total = 22 total = 2 Question 3 GIVEN ==== FREQUENCY Frequency of Time Spent on Facebook TOTALS Low Med High Low 3 5 4 12 Medium 1 4 3 7 High 2 4 0 6 TOTALS 6 13 6 25 Question 4 & Question 5 For 4, 5, 6 Hours spent listening to music IQ x y 15 7.3 53.29 172 59.9 3588.01 2 -5.7 32.49 78 -34.1 1162.81 4 -3.7 13.69 102 -10.1 102.01 12 4.3 18.49 130 17.9 320.41 Freq of dates in past year

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12 4.3 18.49 124 11.9 141.61 6 -1.7 2.89 92 -20.1 404.01 8 0.3 0.09 114 1.9 3.61 3 -4.7 22.09 84 -28.1 789.61 4 -3.7 13.69 98 -14.1 198.81 n=10 11 3.3 10.89 127 14.9 222.01 77 1121 x = 7.7 ̅ 186.1  y  = 112.1 ̅ 6932.9 Question 6 b = or  b =  b =      5.72 a =  a = 112.1 - 5.72 (7.7) a = 68.056 y = a + bx y = 68.056 + 5.72x Question 7 Table 1
Table 2 Question 8

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+0) Gamma= (22-2)/22+2 Gamma = .83333

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Exam 2 Review - Steps to getting actual answers!_1 -...

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