Noodles & Company Sales Growth and Loyalty Card Sales (n = 74 restaurants) Annual Sales Growth (%) Loyalty Card % of Net Sales Restaurant Growth% Loyalty% 1 -8.3 2.1 2 -4.0 2.5 3 -3.9 1.7 4 -3.4 2.1 5 -3.3 2.5 6 -1.9 3.0 7 -0.8 2.3 8 -0.4 2.3 9 -0.2 2.2 10 -0.2 2.3 11 0.5 2.1 12 0.6 2.5 13 0.8 2.0 Source: Noodles & Company 14 1.9 2.0 15 2.0 2.0 16 2.1 2.6 17 2.8 2.2 18 2.9 2.1 19 4.0 1.9 20 4.0 2.2 21 4.0 0.7 22 4.0 2.0 23 4.2 1.8 24 4.6 2.1 25 5.1 2.5 26 5.1 2.6 27 5.5 2.0 28 5.9 2.0 29 5.9 1.4 30 6.0 2.0 31 6.1 2.1 32 6.1 2.1 33 6.1 2.7 34 6.3 2.0 35 6.6 2.0 36 6.9 1.6 37 6.9 1.9 38 7.1 1.6 39 7.4 1.8 40 7.7 2.2 41 7.9 2.2 42 8.1 2.8 43 8.3 2.4 44 8.5 3.1 45 8.6 2.2 46 8.7 1.3 47 8.8 1.8 48 8.8 2.5 49 8.9 1.9 50 9.1 2.0 51 9.5 2.4 52 10.2 2.2 53 10.7 2.2 54 11.0 0.3 55 11.3 1.9 56 11.4 1.9 57 11.5 2.2 58 11.7 2.6 59 11.8 2.2 60 11.9 2.1 61 12.5 2.0 62 12.8 0.9 63 13.8 1.1 64 14.1 3.4 65 14.2 1.2 66 14.6 2.1 67 14.9 0.9 68 15.4 2.2 69 16.2 1.7 70 17.2 2.4 71 18.4 2.8 72 20.8 1.1 73 25.5 0.6 74 28.8 1.8 Find the correlation coefficient. Round to 3 decimal places

Noodles & Company Sales Growth and Loyalty Card Sales (n = 74 restaurants) Annual Sales Growth (%) Loyalty Card % of Net Sales Restaurant Growth% Loyalty% 1 -8.3 2.1 2 -4.0 2.5 3 -3.9 1.7 4 -3.4 2.1 5 -3.3 2.5 6 -1.9 3.0 7 -0.8 2.3 8 -0.4 2.3 9 -0.2 2.2 10 -0.2 2.3 11 0.5 2.1 12 0.6 2.5 13 0.8 2.0 Source: Noodles & Company 14 1.9 2.0 15 2.0 2.0 16 2.1 2.6 17 2.8 2.2 18 2.9 2.1 19 4.0 1.9 20 4.0 2.2 21 4.0 0.7 22 4.0 2.0 23 4.2 1.8 24 4.6 2.1 25 5.1 2.5 26 5.1 2.6 27 5.5 2.0 28 5.9 2.0 29 5.9 1.4 30 6.0 2.0 31 6.1 2.1 32 6.1 2.1 33 6.1 2.7 34 6.3 2.0 35 6.6 2.0 36 6.9 1.6 37 6.9 1.9 38 7.1 1.6 39 7.4 1.8 40 7.7 2.2 41 7.9 2.2 42 8.1 2.8 43 8.3 2.4 44 8.5 3.1 45 8.6 2.2 46 8.7 1.3 47 8.8 1.8 48 8.8 2.5 49 8.9 1.9 50 9.1 2.0 51 9.5 2.4 52 10.2 2.2 53 10.7 2.2 54 11.0 0.3 55 11.3 1.9 56 11.4 1.9 57 11.5 2.2 58 11.7 2.6 59 11.8 2.2 60 11.9 2.1 61 12.5 2.0 62 12.8 0.9 63 13.8 1.1 64 14.1 3.4 65 14.2 1.2 66 14.6 2.1 67 14.9 0.9 68 15.4 2.2 69 16.2 1.7 70 17.2 2.4 71 18.4 2.8 72 20.8 1.1 73 25.5 0.6 74 28.8 1.8 Find the correlation coefficient. Round to 3 decimal places

Noodles & Company Sales Growth and Loyalty Card Sales (n = 74 restaurants) Annual Sales Growth (%) Loyalty Card % of Net Sales Restaurant Growth% Loyalty% 1 -8.3 2.1 2 -4.0 2.5 3 -3.9 1.7 4 -3.4 2.1 5 -3.3 2.5 6 -1.9 3.0 7 -0.8 2.3 8 -0.4 2.3 9 -0.2 2.2 10 -0.2 2.3 11 0.5 2.1 12 0.6 2.5 13 0.8 2.0 Source: Noodles & Company 14 1.9 2.0 15 2.0 2.0 16 2.1 2.6 17 2.8 2.2 18 2.9 2.1 19 4.0 1.9 20 4.0 2.2 21 4.0 0.7 22 4.0 2.0 23 4.2 1.8 24 4.6 2.1 25 5.1 2.5 26 5.1 2.6 27 5.5 2.0 28 5.9 2.0 29 5.9 1.4 30 6.0 2.0 31 6.1 2.1 32 6.1 2.1 33 6.1 2.7 34 6.3 2.0 35 6.6 2.0 36 6.9 1.6 37 6.9 1.9 38 7.1 1.6 39 7.4 1.8 40 7.7 2.2 41 7.9 2.2 42 8.1 2.8 43 8.3 2.4 44 8.5 3.1 45 8.6 2.2 46 8.7 1.3 47 8.8 1.8 48 8.8 2.5 49 8.9 1.9 50 9.1 2.0 51 9.5 2.4 52 10.2 2.2 53 10.7 2.2 54 11.0 0.3 55 11.3 1.9 56 11.4 1.9 57 11.5 2.2 58 11.7 2.6 59 11.8 2.2 60 11.9 2.1 61 12.5 2.0 62 12.8 0.9 63 13.8 1.1 64 14.1 3.4 65 14.2 1.2 66 14.6 2.1 67 14.9 0.9 68 15.4 2.2 69 16.2 1.7 70 17.2 2.4 71 18.4 2.8 72 20.8 1.1 73 25.5 0.6 74 28.8 1.8 Find the correlation coefficient. Round to 3 decimal places

College Algebra (MindTap Course List)

College Algebra (MindTap Course List)

12th Edition

ISBN:9781305652231

Author:R. David Gustafson, Jeff Hughes

Publisher:R. David Gustafson, Jeff Hughes

Chapter8: Sequences, Series, And Probability

Section8.3: Arithmetic Sequences And Series

Problem 39E

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Related questions

Question

Noodles & Company Sales Growth and Loyalty Card Sales (n = 74 restaurants)

Annual Sales Growth (%)

Loyalty Card % of Net Sales

Restaurant

Growth%

Loyalty%

1

-8.3

2.1

2

-4.0

2.5

3

-3.9

1.7

4

-3.4

2.1

5

-3.3

2.5

6

-1.9

3.0

7

-0.8

2.3

8

-0.4

2.3

9

-0.2

2.2

10

-0.2

2.3

11

0.5

2.1

12

0.6

2.5

13

0.8

2.0

Source: Noodles & Company

14

1.9

2.0

15

2.0

2.0

16

2.1

2.6

17

2.8

2.2

18

2.9

2.1

19

4.0

1.9

20

4.0

2.2

21

4.0

0.7

22

4.0

2.0

23

4.2

1.8

24

4.6

2.1

25

5.1

2.5

26

5.1

2.6

27

5.5

2.0

28

5.9

2.0

29

5.9

1.4

30

6.0

2.0

31

6.1

2.1

32

6.1

2.1

33

6.1

2.7

34

6.3

2.0

35

6.6

2.0

36

6.9

1.6

37

6.9

1.9

38

7.1

1.6

39

7.4

1.8

40

7.7

2.2

41

7.9

2.2

42

8.1

2.8

43

8.3

2.4

44

8.5

3.1

45

8.6

2.2

46

8.7

1.3

47

8.8

1.8

48

8.8

2.5

49

8.9

1.9

50

9.1

2.0

51

9.5

2.4

52

10.2

2.2

53

10.7

2.2

54

11.0

0.3

55

11.3

1.9

56

11.4

1.9

57

11.5

2.2

58

11.7

2.6

59

11.8

2.2

60

11.9

2.1

61

12.5

2.0

62

12.8

0.9

63

13.8

1.1

64

14.1

3.4

65

14.2

1.2

66

14.6

2.1

67

14.9

0.9

68

15.4

2.2

69

16.2

1.7

70

17.2

2.4

71

18.4

2.8

72

20.8

1.1

73

25.5

0.6

74

28.8

1.8

Find the correlation coefficient. Round to 3 decimal places

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Stock Market The week of September 15, 2008 was one of the most volatile weeks ever for the US stock market. The closing numbers of the Dow Jones Industrial Average each day were: What was the overall change for the week? Was it positive or negative?
Oil ProductionThe following table shows the amount of crude oil in billions of barrels produced in the United States in recent years. Source: U.S. Energy Information Administration. Year Crude Oil Produced 2002 2.097 2003 2.060 2004 1.989 2005 1.893 2006 1.857 2007 1.853 2008 1.830 2009 1.954 2010 2.000 2011 2.063 2012 2.377 In this exercise we are interested in the total amount of crude oil produced over the 10-year period from mid-2002 to mid-2012, using the data for the 11 years above. One approach is to sum up the numbers in the second column, but only count half of the first and last numbers. Give the answer to this calculation. Approximate the amount of crude oil produced over the 10-year period 2002-2012 by taking the average of the left endpoint sum and the right endpoint sum. Explain why this is equivalent to the calculation done in part a. This is also equivalent to a formula known as the trapezoidal rule, discussed in the next chapter. If your calculator has a cubic regression feature, find the best-fitting cubic function for these data, letting t=0 correspond to 2000. Then integrate this equation over the interval [2.12] to estimate the amount of crude oil produced over this time period. Compare with your answer to part a.

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