To calculate the dispersion measures.
A random sample of 15 term papers in a senior level economics course revealed the following word counts per paper:
5176
|
6005
|
5052
|
5310
|
4188
|
4132
|
5736
|
5381
|
4983
|
4423
|
5002
|
4573
|
4209
|
5611
|
4568
|
Decide the range, variance, and standard deviation for the sample data.
Mean
|
4956.6
|
Standard Error
|
152.9449574
|
Median
|
5002
|
MOde
|
#N/A
|
Standard Deviation
|
592.353273
|
Sample Variance
|
350882.4
|
Kurtosis
|
-1.037833938
|
Skewness
|
0.134230948
|
Range
|
1873
|
Minimum
|
4132
|
Maximum
|
6005
|
Sum
|
74349
|
Count
|
15
|