Question 1.
Monthly Bill 

Mean 
$65.95 
Standard Error 
$3.45 
Median 
$61.00 
Mode 
$55.00 
Standard Deviation 
$42.24 
Sample Variance 
$1,784.25 
Range 
$337.00 
Minimum 
$13.00 
Maximum 
$350.00 
Lower Quartile 
$40.00 
Upper Quartile 
$85.00 
Interquartile range 
$45.00 
Coefficient of Variation 
64.05% 
Question 2
PrePaid Plan 
Post Paid Plan 

Mean 
$69.75 
Mean 
$63.05 
Standard Error 
$7.02 
Standard Error 
$2.88 
Median 
$62.00 
Median 
$60.00 
Mode 
$50.00 
Mode 
$55.00 
Standard Deviation 
$56.60 
Standard Deviation 
$26.53 
Sample Variance 
$3,204.00 
Sample Variance 
$704.05 
Range 
$337.00 
Range 
$136.00 
Minimum 
$13.00 
Minimum 
$14.00 
Maximum 
$350.00 
Maximum 
$150.00 
Lower Quartile 
$33.50 
Lower Quartile 
$50.50 
Upper Quartile 
$91.00 
Upper Quartile 
$83.00 
Interquartile range 
$57.50 
Interquartile range 
$32.50 
Coefficient of Variation 
81.15% 
Coefficient of Variation 
42.09% 
Question 3.
Question 4a)
Satisfaction With Provider 
Frequency 
Relative Frequency 
Very Satisfied 
63 
42% 
Moderately Satisfied 
49 
33% 
Little Dissatisfied 
27 
18% 
Very Dissatisfied 
11 
7% 
Question 4b)
Frequency 

Satisfaction With Provider 
Male 
Female 
Total 
Very Satisfied 
45 
18 
63 
Moderately Satisfied 
36 
13 
49 
Little Dissatisfied 
22 
5 
27 
Very Dissatisfied 
8 
3 
11 
Total 
111 
39 
150 
Horizontal Percentage 

Satisfaction With Provider 
Male 
Female 
Total 
Very Satisfied 
71% 
29% 
100% 
Moderately Satisfied 
73% 
27% 
100% 
Little Dissatisfied 
81% 
19% 
100% 
Very Dissatisfied 
73% 
27% 
100% 
Total 
74% 
26% 
100% 
Vertical Percentage 

Satisfaction With Provider 
Male 
Female 
Total 
Very Satisfied 
41% 
46% 
42% 
Moderately Satisfied 
32% 
33% 
33% 
Little Dissatisfied 
20% 
13% 
18% 
Very Dissatisfied 
7% 
8% 
7% 
Total 
100% 
100% 
100% 
Question 5)
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