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Time and Motion In a physics experiment at Doane College,

Elementary Statistics | 12th Edition | ISBN: 9780321836960 | Authors: Mario F. Triola ISBN: 9780321836960 18

Solution for problem 4 RE Chapter 10.6

Elementary Statistics | 12th Edition

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Elementary Statistics | 12th Edition | ISBN: 9780321836960 | Authors: Mario F. Triola

Elementary Statistics | 12th Edition

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10
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Problem 4 RE

Time and Motion In a physics experiment at Doane College, a soccer ball was thrown upward from the bed of a moving truck. The table below lists the time (sec) that has lapsed from the throw and the height (m) of the soccer ball. What do you conclude about the relationship between time and height? What horrible mistake would be easy to make if the analysis is conducted without a scatterplot?

Time (sec)

0.0

0.2

0.4

0.6

0.8

1.0

1.2

1.4

1.6

1.8

Height (m)

0.0

1.7

3.1

3.9

4.5

4.7

4.6

4.1

3.3

2.1

Step-by-Step Solution:

Answer:

Step 1 of 2</p>

The table below lists the time (sec) that has lapsed from the throw and the height (m) of the soccer ball

SL. No

 Time (sec)  x

Height (m)  y

xy

 x2

y2

1

0

0

0

0

0

2

0.2

1.7

0.34

0.04

2.89

3

0.4

3.1

1.24

0.16

9.61

4

0.6

3.9

2.34

0.36

15.21

5

0.8

4.5

3.6

0.64

20.25

6

1

4.7

4.7

1

22.09

7

1.2

4.6

5.52

1.44

21.16

8

1.4

4.1

5.74

1.96

16.81

9

1.6

3.3

5.28

2.56

10.89

10

1.8

2.1

3.78

3.24

4.41

Sum

9

32

32.54

11.4

123.32

Average

0.9

3.2

 0.9, 3.2

n = 10 , 32.54,...

Step 2 of 3

Chapter 10.6, Problem 4 RE is Solved
Step 3 of 3

Textbook: Elementary Statistics
Edition: 12
Author: Mario F. Triola
ISBN: 9780321836960

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