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What level of line maintenance expense would be expected for a phone company 75,000 customer according...

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Question

General Management

What level of line maintenance expense would be expected for aphone company 75,000 customer according to quadratic equationestimated regression function? Show how you arrived at thisvalue.

Customers (in 1000s), X

Line Maintenance Expense (in $1000s), Y

X^2

Y^2

XY

25.3

484.6

640.09

234837.16

12260.38

36.4

672.3

1324.96

451987.29

24471.72

37.9

839.4

1436.41

704592.36

31813.26

45.9

694.9

2106.81

482886.01

31895.91

53.4

836.4

2851.56

699564.96

44663.76

66.8

681.9

4462.24

464987.61

45550.92

78.4

1037

6146.56

1075369

81300.8

82.6

1095.6

6822.76

1200339.36

90496.56

93.8

1563.1

8798.44

2443281.61

146618.78

97.5

1377.9

9506.25

1898608.41

134345.25

105.7

1711.7

11172.49

2929916.89

180926.69

124.3

2138.6

15450.49

4573609.96

265827.98

Total

848

13133.4

70719.06

17159980.62

1090172.01

Answer & Explanation Solved by verified expert
3.6 Ratings (392 Votes)
Customers in 1000s XLine Maintenance Expense in 1000s    See Answer
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