The time in seconds it takes for 20 individual sewing machines to stitch a border onto a particular garment is listed below. Calculate the mean stitching time, the variance, and the standard deviation. (Round the "mean time" and "variance" to the nearest tenth and "standard deviation" to the nearest hundredth.) 66 64 69 53 61 60 64 73 66 56 58 61 58 55 59 74 62 60 50 62 Mean time Variance Standard deviation

Essentials of Business Analytics (MindTap Course List)
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ces
aw
1
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1
The time in seconds it takes for 20 individual sewing machines to stitch a border onto a particular garment is listed below. Calculate
the mean stitching time, the variance, and the standard deviation. (Round the "mean time" and "variance" to the nearest tenth and
"standard deviation" to the nearest hundredth.)
66 64 69 53 61
60 64 73 66 56
58 61 58 55 59
74 62 60 50 62
Mean time
Variance
Standard deviation
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Transcribed Image Text:ces aw 1 ! 1 The time in seconds it takes for 20 individual sewing machines to stitch a border onto a particular garment is listed below. Calculate the mean stitching time, the variance, and the standard deviation. (Round the "mean time" and "variance" to the nearest tenth and "standard deviation" to the nearest hundredth.) 66 64 69 53 61 60 64 73 66 56 58 61 58 55 59 74 62 60 50 62 Mean time Variance Standard deviation www < Prev 14 of 14 Next > MacBook Air FG 6: F1 Q A N 2 0 F2 W S #3 20 F3 X E D 54 $ 888 F4 R C % 5 F F5 T V ^ 6 G Y & 7 B F7 H * 00 U 8 DII F8 J N ( 9 FO K M ) 0. F10
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