Predict the purchase amount in dollars if you know there are 31 items.  Either show the work or provide a detailed explanation for how you used the regression equation to arrive at your answer.

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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. Predict the purchase amount in dollars if you know there are 31 items.  Either show the work or provide a detailed explanation for how you used the regression equation to arrive at your answer.

Age

Gender

Height

Arm Length

Number Siblings

Birth Order

Handedness

Number Classes

Number Credits

Hrs. Exercise

Athlete at Broome

Hrs. TV

Award

Pulse

Number Piercings

Facebook Friends

Followers on Instagram

Tattoo

Division

Local

section

18

f

63

27.5

2

3

r

4

14

1.5

n

3

NP

74

2

82

72

n

HS

y

4

19

m

74

31.5

4

5

r

4

11

5

n

1.5

O

 

0

600

700

n

STEM

y

4

17

f

66

29.2

2

2

l

6

15

5

y

21

NP

64

2

1801

1370

n

HS

y

4

18

f

66

30

5

5

r

4

12

30

n

15

NP

91

1

500

700

n

LA

y

4

30

m

67

30

3

1

r

4

12

5

n

5

OG

83

2

 

 

y

STEM

n

4

20

f

66

27

1

 

r

5

15

7

n

7

AA

65

1

50

1015

n

LA

y

4

26

f

67

29

1

1

r

5

14

3

n

0

OG

22

5

130

120

y

HS

y

4

18

f

64

28

1

2

r

5

13

7

y

6

NP

20

5

50

50

y

STEM

y

4

17

f

64

28

3

2

r

5

13

2

n

3

NP

 

9

407

472

n

 

y

4

19

m

69

 

2

1

r

5

13

1

n

10

NP

 

0

0

70

y

STEM

y

4

18

f

66

27.5

4

1

r

5

12

 

n

48

AA

70

2

289

246

y

HS

n

4

19

m

75

30.5

3

2

r

5

13

4

n

2

OG

86

0

254

317

n

LA

y

4

18

m

70

31

2

2

r

4

14

1

n

18

NP

69

0

0

280

n

HS

n

4

18

m

73

30.5

2

2

r

6

17

4

n

6

NP

 

0

0

1000

n

 

n

4

18

m

70

31.5

2

2

r

5

16

3

n

40

OG

71

0

300

0

n

STEM

n

4

19

f

68

29

2

2

r

5

12

0

n

4

OG

 

2

0

1000

n

 

n

4

18

f

64

27.5

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4

r

5

15

0

n

10

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92

9

200

400

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y

4

18

m

71

31.5

1

1

r

4

12

3

y

8

OG

 

1

0

792

y

BPS

n

4

19

m

71

30

9

2

r

6

15

10

n

1

OG

 

2

0

2000

y

HS

y

4

24

m

70

30

5

6

a

1

3

3.5

n

15.5

AA

58

0

2000

450

n

LA

y

12

21

m

72

31

2

2

r

5

15

5

n

10

NP

52

1

0

378

y

BPS

y

12

18

m

69

30

1

2

r

7

20.5

5

n

3

NP

62

0

186

716

n

HS

n

12

44

f

64

25

5

2

r

4

13

3

n

3

NP

65

6

500

25

y

HS

y

12

18

f

63

28

0

1

r

4

14

15

n

5

NP

58

7

0

600

n

HS

y

12

20

f

66

29

1

2

r

5

13

6

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62

4

200

1000

y

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n

12

22

f

68

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1

2

r

2

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7

n

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68

0

0

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n

 

n

12

18

f

64

28

0

1

r

6

18

7

n

1

NP

81

4

600

2000

y

STEM

n

12

32

f

63

26.5

2

1

r

4

12

0

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7

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1600

0

n

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y

12

19

f

67

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1

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5

16

0

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88

4

923

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y

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n

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28

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66

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5

2

r

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n

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70

0

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0

y

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n

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19

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63

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17

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y

9

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610

7

0

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63

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r

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100

1000

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n

12

19

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61.5

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3

1

r

5

14

2.5

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2.5

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77

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400

800

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y

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66

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1

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70

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62

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4

12

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340

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12

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f

65

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7

4

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unsure

8

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7

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68

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2

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r

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n

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n

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24

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68

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0

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r

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n

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0

62

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11

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29

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5

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75

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1624

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n

11

18

m

71

33

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1

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74

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11

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f

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2

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n

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82

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n

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f

61

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n

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69

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5

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14

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104

4

2000

1000

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y

11

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f

64

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r

5

15

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n

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OG

78

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0

1580

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y

11

19

f

66

27

1

1

r

5

13

3

n

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OG

75

7

500

1200

y

LA

y

11

18

f

65

25.3

4

3

r

5

15

14

n

20

AA

74

4

250

1800

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y

11

20

f

66

28.5

5

3

r

5

15

0.5

n

60

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74

3

2000

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LA

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11

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m

71

30

1

1

r

7

17

8.5

n

 

NP

 

0

950

1112

n

LA

n

11

19

f

63

25

7

6

r

4

12

7

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3

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101

2

2000

1600

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y

11

18

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63

26

8

7

r

5

16

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70

6

500

730

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y

11

21

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66

29

0

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14

10

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OG

78

0

0

600

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n

11

22

f

69

27

0

1

r

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8

5

n

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86

6

2000

1500

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HS

y

11

39

f

64

25.5

6

6

r

2

6

5

n

10

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80

2

50

0

y

HS

y

11

20

f

62

25

1

1

r

4

14

20

n

0

NP

 

0

0

0

n

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y

11

18

m

67

28.5

5

2

r

5

16

8

y

0

NP

65

2

350

955

y

 

y

11

18

f

61

27

4

1

r

5

15

14

unsure

7

OG

88

0

0

0

n

HS

y

11

24

f

62

27.5

7

5

r

5

13

3

n

5

OG

76

0

1000

950

n

HS

y

11

This table represents a dataset titled "Grocery Data.xlsx." The dataset includes three columns: "Items," "Price," and "Method." Below is the transcribed information:

| Items | Price | Method |
|-------|-------|--------|
| 58    | 141   | O      |
| 9     | 36    | C      |
| 3     | 12    | C      |
| 87    | 215   | C      |
| 20    | 84    | O      |
| 6     | 17    | C      |
| 33    | 78    | O      |
| 23    | 99    | C      |
| 25    | 135   | C      |
| 6     | 39    | O      |
| 3     | 21    | O      |
| 68    | 256   | C      |
| 17    | 95    | C      |
| 20    | 114   | C      |
| 22    | 178   | C      |
| 56    | 217   | C      |
| 3     | 39    | O      |
| 47    | 186   | C      |
| 24    | 79    | C      |
| 89    | 413   | C      |
| 15    | 87    | O      |
| 10    | 56    | C      |
| 9     | 25    | O      |
| 1     | 23    | O      |
| 17    | 109   | C      |
| 23    | 156   | C      |
| 1     | 16    | O      |
| 38    | 174   | C      |
| 40    | 233   | C      |
| 5     | 41    | O      |
| 19    | 95    | C      |
| 77    | 237   | C      |

- **Items:** Refers to the quantity of items.
- **Price:** Refers to the price associated with the items.
- **Method:** Denotes either 'O' or 'C', though further context is needed to define these categories.

This dataset can be used for educational purposes, such as statistical analysis, data categorization
Transcribed Image Text:This table represents a dataset titled "Grocery Data.xlsx." The dataset includes three columns: "Items," "Price," and "Method." Below is the transcribed information: | Items | Price | Method | |-------|-------|--------| | 58 | 141 | O | | 9 | 36 | C | | 3 | 12 | C | | 87 | 215 | C | | 20 | 84 | O | | 6 | 17 | C | | 33 | 78 | O | | 23 | 99 | C | | 25 | 135 | C | | 6 | 39 | O | | 3 | 21 | O | | 68 | 256 | C | | 17 | 95 | C | | 20 | 114 | C | | 22 | 178 | C | | 56 | 217 | C | | 3 | 39 | O | | 47 | 186 | C | | 24 | 79 | C | | 89 | 413 | C | | 15 | 87 | O | | 10 | 56 | C | | 9 | 25 | O | | 1 | 23 | O | | 17 | 109 | C | | 23 | 156 | C | | 1 | 16 | O | | 38 | 174 | C | | 40 | 233 | C | | 5 | 41 | O | | 19 | 95 | C | | 77 | 237 | C | - **Items:** Refers to the quantity of items. - **Price:** Refers to the price associated with the items. - **Method:** Denotes either 'O' or 'C', though further context is needed to define these categories. This dataset can be used for educational purposes, such as statistical analysis, data categorization
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Step 1

Given information:

The data represents the values of the variables x = items and y = price.

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