Chapter 13, Level 2 Self-Quiz: C

. Determine which one of the answers to determining the standard deviation (Steps 1–6) for the following data set is incorrect:
[2, 4, 6, 8, 10]
Step 1: 6
Step 2: -4; -2; 0; 2; 4
Step 3: 16; 4; 0; 4; 16
Step 4: 45
Step 5: 10
Step 6: 3.16

. Determine which one of the answers to determining the standard deviation (Steps 1–6) for the following data set is incorrect:
[20, 40, 60, 80, 96, 100]
Step 1: 66
Step 2: -46; -26; -6; 14; 30; 34
Step 3: 2,116; 676; 36; 196; 960; 1,156
Step 4: 5,080
Step 5: 1,016
Step 6: 31.87

. Determine which one of the answers to determining the standard deviation (Steps 1–6) for the following data set is incorrect:
[15, 42, 349, 625, 776, 1298]
Step 1: 517.5
Step 2: -502.5; -475.5; -168.5; 107.5; 258.5; 780.5
Step 3: 252,506.25; 226,100.25; 28,392.25; 11,556.25; 66,822.25; 609,180.25
Step 4: 1,194,450
Step 5: 238,911.05
Step 6: 488.79

. Determine which one of the answers to determining the standard deviation (Steps 1–6) for the following data set is incorrect:
[12, 24, 32, 36, 38]
Step 1: 28
Step 2: -16.4; -4.4; 3.6; 7.6; 9.6
Step 3: 268.96; 19.36; 12.96; 57.76; 92.16
Step 4: 451.2
Step 5: 112.80
Step 6: 10.62

. Determine which one of the answers to determining the standard deviation (Steps 1–6) for the following data set is incorrect:
[92, 92, 92, 92, 96, 97]
Step 1: 93.5
Step 2: -1.5; -1.5; -1.5; -1.5; 2.5; 3.5
Step 3: 2.25; 2.25; 2.25; 2.25; 6.25; 12.25
Step 4: 27.50
Step 5: 5.50
Step 6: 2.5

Back to top