Fifteen men and fifteen women in an introductory psychologicalstatistics course

Question

Fifteen men and fifteen women in an introductory psychologicalstatistics course have taken their midterm exams. Their scores arelisted here.(For gender, 1= male and 2=female) Studnet Gender Score Student Gender Score 1 1 87 16 2 89 2 1 53 17 2 73 3 1 92 18 2 91 4 1 70 19 2 76 5 1 78 20 2 75 6 1 73 21 2 89 7 1 91 22 2 81 8 1 60 23 2 83 9 1 77 24 2 68 10 1 82 25 2 86 11 1 85 26 2 55 12 1 33 27 2 89 13 1 88 28 2 89 14 1 98 29 2 70 15 1 88 30 2 93
Interpret "the stem - and -leaf plots" for both genders. also interpret the "box and whisker" plot. What do these graphic depictions tell you about thedistributions of mideterm scores? Be specific. Fifteen men and fifteen women in an introductory psychologicalstatistics course have taken their midterm exams. Their scores arelisted here.(For gender, 1= male and 2=female) Studnet Gender Score Student Gender Score 1 1 87 16 2 89 2 1 53 17 2 73 3 1 92 18 2 91 4 1 70 19 2 76 5 1 78 20 2 75 6 1 73 21 2 89 7 1 91 22 2 81 8 1 60 23 2 83 9 1 77 24 2 68 10 1 82 25 2 86 11 1 85 26 2 55 12 1 33 27 2 89 13 1 88 28 2 89 14 1 98 29 2 70 15 1 88 30 2 93 Studnet Gender Score Student Gender Score 1 1 87 16 2 89 2 1 53 17 2 73 3 1 92 18 2 91 4 1 70 19 2 76 5 1 78 20 2 75 6 1 73 21 2 89 7 1 91 22 2 81 8 1 60 23 2 83 9 1 77 24 2 68 10 1 82 25 2 86 11 1 85 26 2 55 12 1 33 27 2 89 13 1 88 28 2 89 14 1 98 29 2 70 15 1 88 30 2 93
Interpret "the stem - and -leaf plots" for both genders. also interpret the "box and whisker" plot. What do these graphic depictions tell you about thedistributions of mideterm scores? Be specific. Studnet Gender Score Student Gender Score 1 1 87 16 2 89 2 1 53 17 2 73 3 1 92 18 2 91 4 1 70 19 2 76 5 1 78 20 2 75 6 1 73 21 2 89 7 1 91 22 2 81 8 1 60 23 2 83 9 1 77 24 2 68 10 1 82 25 2 86 11 1 85 26 2 55 12 1 33 27 2 89 13 1 88 28 2 89 14 1 98 29 2 70 15 1 88 30 2 93

Explanation / Answer

First Stem & Leaf Plot for Female Students

Stem & Leaf Plot for Female Students

Stem

Leaf

1

2

3

4

5

5

6

8

7

3 6 5 0

8

9 9 1 3 6 9 9

9

1 3

Box & Whisker Plot of the above Data..

First Arrange all the values in ascending order

55 68 70 73 75 76 81 83 86 89 89 89 8991 93

Median = 8th value = 83

Lower median = 4th value = 73

Upper Median = 12th value = 89

It shows that:-

Now the Stem & Leaf Plot for Male Students

Stem & Leaf Plot for Male Students

Stem

Leaf

1

2

Stem & Leaf Plot for Female Students

Stem

Leaf

1

2

3

4

5

5

6

8

7

3 6 5 0

8

9 9 1 3 6 9 9

9

1 3

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