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standard deviation of 600,470, 170, 430, 300

 Jan 28, 2016
 #1
avatar+2498 
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deviation=laverage-numberl

 Jan 28, 2016
 #2
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{600, 470, 170, 430, 300}


Average (mean): μ=394
Absolute deviation: 636
Mean deviation: 127.2
Minimum: 170
Maximum: 600
Variance: 21704
Standard deviation σ=147.322774886
Corrected sample standard deviation s=164.711869639
Coefficient of variation cV=0.418050430556
Signal-to-noise ratio SNR=2.39205590261
Median: 430
Quartile Q1: 235
Quartile Q2: 430
Quartile Q3: 535
1st decile: 235 (Too few data to calculate deciles)
2nd decile: 235
3rd decile: 365
4th decile: 365
5th decile: 430
6th decile: 450
7th decile: 450
8th decile: 535
9th decile: 535
Interquartile range IQR: 300
Lower fence: -215
Upper fence: 985
Set of outliers: {} - empty set - no outliers found
Interdecile range IDR: 300
Mode: {600, 470, 430, 300, 170} - multimodal
Geometric mean: 361.624251714
Harmonic mean: 326.038888942
Sum: 1970
Sum of absolute values: 1970
Average absolute deviation: 127.2
Range: 430
 

 Jan 28, 2016
 #3
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The one-way commuting times from home to work for all employees working at a large company have a bell-shaped curve with a mean of 31 minutes and a standard deviation of 8 minutes. Using the empirical rule, find the approximate percentages of the employees at this company who have one-way commuting times in the following intervals. 

what's the answer 

 Jan 15, 2017

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