DEVRY MATH399 Week 2 Assignment Quartiles and Box Plots Latest 2019 JULY

MATH399 Applied Managerial Statistics

Week 2 Assignment Quartiles and Box Plots

QuestionA data set lists the number of hours each student, from a chemistry class, studied for a final exam. For this data set, the minimum is 1, the median is 11, the third quartile is 12, the interquartile range is 4, and the maximum is 15. Construct a box-and-whisker plot that shows the number of hours studied.

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QuestionA data set lists the number of extra credit points awarded on midterm scores of 15 students taking a statistics course. For this data set, the minimum is 3, the median is 15, the third quartile is 16, the interquartile range is 4, and the maximum is 19. Construct a box-and-whisker plot that shows the extra credit points awarded.

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$$y

$$a2

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$$8

$$9

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QuestionThe five number summary for a set of data is given below.

Min Q1 Median Q3 Max

50 63 70 79 96

Using the interquartile range, which of the following are outliers? Select all correct answers.

________________________________________

Well done! You got it right.

44

51

55

118

133

QuestionThe five number summary for a set of data is given below.

Min Q1 Median Q3 Max

54 55 64 67 96

What is the interquartile range of the set of data?

Enter just the number as your answer. For example, if you found that the interquartile range was 20, you would enter 20.

QuestionGiven the following frequency table of data, what is the potential outlier?

Value Frequency

11 1

12 2

13 12

14 6

15 7

16 2

17 0

18 0

19 0

20 0

21 0

22 0

23 1

11

14

12

13

23

QuestionThe following frequency table summarizes a set of data. What is the five-number summary?

Value

Frequency

4

1

5

2

7

3

8

1

9

2

10

2

11

1

12

1

13

3

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Min Q1 Median Q3 Max

4 9 11 13 14

Min Q1 Median Q3 Max

4 6 7 8 14

Min Q1 Median Q3 Max

4 7 10 13 14

Min Q1 Median Q3 Max

4 6 9 13 14

Min Q1 Median Q3 Max

4 9 11 12 14

QuestionThe following dataset represents the number of minutes a student listens to music in a week for 50students, sorted and arranged in rows of 5. What is the 80th percentile of the data?

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11

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29

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36

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54

54

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55

56

56

66

68

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72

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77

77

85

89

92

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93

97

97

98

99

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QuestionThe following frequency table summarizes a set of data. What is the five-number summary?

Value

Frequency

8

2

9

1

10

2

11

3

12

4

13

1

14

1

16

1

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Min Q1 Median Q3 Max

8 9 12 13 16

Min Q1 Median Q3 Max

8 10 11 12 16

Min Q1 Median Q3 Max

8 10 11 13 16

Min Q1 Median Q3 Max

8 10 11 15 16

QuestionThe following frequency table represents the number of minutes it takes a student to walk to school for 60 students. What is the 3rd quartile of the data?

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17

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QuestionThe following frequency table summarizes a set of data. What is the five-number summary?

Value

Frequency

9

3

10

3

11

1

13

3

14

1

15

5

16

1

17

1

18

1

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Min Q1 Median Q3 Max

9 11 14 16 18

Min Q1 Median Q3 Max

9 10 11 17 18

Min Q1 Median Q3 Max

9 11 15 16 18

Min Q1 Median Q3 Max

9 10 11 15 18

Min Q1 Median Q3 Max

9 10 13 15 18

QuestionGiven the following frequency table of data, what is the potential outlier?

Value Frequency

5 1

6 0

7 0

8 0

9 0

10 0

11 1

12 0

13 1

14 3

15 8

16 7

17 2

18 6

19 1

20 1

5

15

16

14

11

QuestionA data set lists the number of times a machine breaks each month in a clothing factory over the past year. For this data set, the minimum is 4, the median is 14, the third quartile is 17, the interquartile range is 6, and the maximum is 18. Construct a box-and-whisker plot that shows the number of times the machine breaks.

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$$y

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$$9

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$$4

$$5

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$$,

$$?

$$?

$$1

$$2

$$3

$$?

A B C

$$

$$?

$$0

$$.

$$=

$$+

QuestionThe following frequency table summarizes a set of data. What is the five-number summary?

Value

Frequency

5

3

6

5

7

2

8

2

9

3

12

1

14

3

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Min Q1 Median Q3 Max

5 6 7 8 14

Min Q1 Median Q3 Max

5 6 7 9 14

Min Q1 Median Q3 Max

5 8 11 12 14

Min Q1 Median Q3 Max

5 7 9 10 14

Min Q1 Median Q3 Max

5 8 9 11 14

QuestionGiven the following frequency table of data, what is the potential outlier?

Value Frequency

8 1

9 0

10 0

11 0

12 0

13 0

14 0

15 0

16 1

17 4

18 10

19 4

20 6

21 2

22 3

8

18

16

20

22

QuestionA data set lists the number of points deducted on the quiz scores of 25 students taking a finance course. For this data set, the minimum is 3, the first quartile is 11, the median is 13, the third quartile is 14, and the maximum is 17. Construct a box-and-whisker plot that shows the points deducted.

QuestionThe following dataset represents the number of people a police officer pulls over for speeding in a month for 56 policer officers, sorted and arranged in rows of 5. What is the 2nd quartile of the data?

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88

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QuestionThe following table shows 40 different hours representing the number of youtube viewers watching an ad, sorted and arranged in rows of 5. What is the 50th percentile of the data?

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67

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97

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