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Variability in Statistics: Definition & Measures

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Variability in Statistics: Definition & Measures

Justice August 20, 2017

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Question 1 of 5

1. Question
Given the mean of 5, what is the variance of the following data set: 6, 8, 4, 10, 7?
- Standard deviation
- Range
- Variance
- Median
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Question 2 of 5

2. Question
Which of the following statements is NOT true regarding this data set: 41, 13, 17, 10, 5, 19, 10, 11, 22, 50, 30?
- Q1 equals 10.
- The median is 17.
- Q3 equals 30.
- The interquartile range equals 21.
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Question 3 of 5

3. Question
What is variability?
- A measure of the center data point of a group of data.
- A measure of the spread of a group of data.
- A measure of the middle fifty percent of a group of data.
- None of the options are correct.
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Question 4 of 5

4. Question
Given the mean of 5, what is the variance of the following data set: 6, 8, 4, 10, 7?
- 6
- 8
- 7
- 10
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Question 5 of 5

5. Question
What is the range of the following data set: 130, 23, 504, 203, 50, 492, 231, 452?
- 23
- 481
- 429
- 469
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Variability in Statistics: Definition & Measures

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