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

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

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

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

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

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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b). Relative frequency histogram

Frequency Distributions For X1:

Frequency Distributions For X2:

Frequency Distributions For X3:

Frequency Distributions For X4:

Frequency Distributions For X5: