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(CORRECT ANSWER) MATH225N Week 3 Assignment : Distribution Shape

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1.Question

Which of the following histograms shows a skewed data set?

Select all that apply:

Answer:

2. Question

Which of the following histograms shows a skewed data set?

Select all correct answers.

1.

2.

3.

4.

Answer:

3.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.

 4.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:

5.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:

6.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

7.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

8.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

Answer:

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