Business Statistics

Business statistics

Task 1

1). Find mean, median, mode, range, variance and standard deviation separately for every type of business

Statistics X1 X2 X3 X4 X5
Mean 83.00 92.09 72.30 87.00 51.63
Mode 35 #N/A #N/A 100 30
Median 80 87 70 97.5 49
Standard Deviation 34.13 38.89 31.37 35.90 27.07
Maxima 140 160 125 150 110
Minima 35 40 35 35 20
Variance 1165.166667 1512.6909 983.79 1289.111 733.05
Range 105 120 90 115 90

 

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2). Construct for every type of business:

a). A frequency & relative frequency distributions

Frequency Distributions For X1:

Bin Frequency Relative Frequency
0-30 0 0.0000
31-60 4 0.3077
61-90 4 0.3077
91-120 3 0.2308
121-150 2 0.1538
More 0 0.0000

 

Business Statistics

Frequency Distributions For X2:

Bin Frequency Relative Frequency
0-30 0 0
31-60 3 0.272727
61-90 4 0.363636
91-120 2 0.181818
121-150 1 0.090909
151-180 1 0.090909
More 0 0

Get Assignment Help from Industry Expert Writers (1)

 

Business Statistics

Frequency Distributions For X3:

Bin Frequency Relative Frequency
0-30 0 0.0
31-60 4 0.4
61-90 3 0.3
91-120 2 0.2
121-150 1 0.1
More 0 0.0

 

Business Statistics

Frequency Distributions For X4:

Bin Frequency Relative Frequency
0-30 0 0.0
31-60 3 0.3
61-90 1 0.1
91-120 5 0.5
121-150 1 0.1
151-180 0 0.0
More 0 0.0

Business Statistics

Frequency Distributions For X5:

Bin Frequency Relative Frequency
0-30 6 0.375
31-60 5 0.3125
61-90 4 0.25
91-120 1 0.0625
More 0 0

 

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Business Statistics

b). Relative frequency histogram

Frequency Distributions For X1:

Business Statistics

Frequency Distributions For X2:

Business Statistics

Frequency Distributions For X3:

Business Statistics

Frequency Distributions For X4:

Business Statistics

Frequency Distributions For X5:

 

 

 

 

 

 

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