(Solved) MATH225 Week 3 Assignment : Distribution Shape

Question

Which of the following histograms shows a skewed data set?

Select all that apply:

Question

Which of the following histograms shows a skewed data set?

Select all correct answers.

1.

2.

3.

4.

Answer:

Question

A data set of the population densities of 15 U.S. states has a mean of 154 and a median of 94. Which of the following is a logical conclusion?

Select the correct answer below:

• The data are skewed to the left.
• The data are skewed to the right.
• The data are symmetrical.

Question

Which of the following frequency tables show a skewed data set? Select all answers that apply.

Select all that apply

Value	Frequency
5	2
6	5
7	9
8	15
9	18
10	24
11	19
12	15
13	10
14	4

2.

Value	Frequency
13	2
14	5
15	14
16	13
17	23
18	26
19	15
20	2

3.

Value	Frequency
5	1
6	1
7	9
8	20
9	24
10	20
11	9
12	4
13	1
14	1
15	1

4.

Value	Frequency
0	4
1	12
2	23
3	28
4	17
5	7
6	6
7	3

Correct answer:

Question

Which of the following frequency tables show a skewed data set? Select all answers that apply.

Select all that apply:

Value	Frequency
0	2
1	11
2	30
3	22
4	15
5	12
6	6
7	1
8	1

Value	Frequency
4	1
5	2
6	3
7	7
8	19
9	17
10	17
11	15
12	12
13	4
14	1
15	2

Value	Frequency
13	1
14	6
15	9
16	15
17	27
18	28
19	10
20	4

Value	Frequency
3	1
4	0
5	1
6	5
7	9
8	12
9	12
10	18
11	12
12	17
13	11
14	0
15	1
16	0
17	1

Answer:

Question

Given the following histogram, decide if the data is skewed or symmetrical.

Select the correct answer below:

• The data are skewed to the left.
• The data are skewed to the right.
• The data are symmetric

Question

Given the following box-and-whisker plot, decide if the data is skewed or symmetrical.

• The data are skewed to the left.
• The data are skewed to the right.
• The data are symmetric

Question

Which of the following frequency tables shows a skewed data set? Select all answers that apply.

Select all that apply:

Value	Frequency
7	4
8	8
9	12
10	16
11	15
12	13
13	10
14	5

2.

Value	Frequency
5	3
6	3
7	8
8	12
9	15
10	19
11	19
12	10
13	4
14	3
15	3
16	1

3.

Value	Frequency
12	1
13	2
14	3
15	13
16	10
17	26
18	25
19	15
20	5

4.

Value	Frequency
0	9
1	21
2	23
3	18
4	15
5	9
6	3
7	2

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