**Question**

Which of the following lists of data has the largest standard deviation?

Select the correct answer below:

- 22,Â 25,Â 25,Â 22,Â 25,Â 23,Â 24,Â 23,Â 26,Â 24
- 13,Â 11,Â 11,Â 11,Â 10,Â 14,Â 14,Â 10,Â 11,Â 11
- 16,Â 14,Â 15,Â 15,Â 16,Â 16,Â 15,Â 16,Â 18,Â 14
- 25,Â 23,Â 25,Â 22,Â 21,Â 25,Â 22,Â 21,Â 25,Â 23
- 7,Â 14,Â 19,Â 18,Â 4,Â 16,Â 5,Â 11,Â 11,Â 12

**Question**

The following data set represents the salaries for ** allÂ **six employees at a small start-up company.

Find the mean, variance, and standard deviation for this data set of salaries (expressed in thousands of dollars):

55, 59, 63, 67, 71, 75

(Round your answers to one decimal place)

Select the correct answer below:

Correct answer

**Question**

A company is interested to know the variation in yearly sales amount for all 5 salespeople in the company.

The dataset shown below is the sales amount sold by the 5 salespeople in the company (expressed in thousands of dollars):

40,60,65,70,80

Find the variance for this dataset.

Provide your answer below:

Answer=

**Question**

A large company is interested to know the variation in yearly sales for its salespeople. The dataset shown below is the yearly sales for a sample of 5 salespeopleÂ (expressed in thousands of dollars):

40, 60, 65, 70, 80

Find the variance for this dataset.

- Round the final answer to the nearest whole number.

Answer:

**Question**

Which of the data sets represented by the following histograms has the smallest standard deviation?

Select the correct answer below:

Answer:

**Question**

Which of the data sets represented by the following histograms has the smallest standard deviation?

Select the correct answer below:

- 30,Â 21,Â 19,Â 17,Â 16,Â 32,Â 26,Â 25,Â 19,Â 16
- 5,Â 11,Â 15,Â 7,Â 5,Â 9,Â 8,Â 16,Â 14,Â 11
- 25,Â 24,Â 28,Â 18,Â 32,Â 34,Â 34,Â 22,Â 28,Â 19
- 17,Â 19,Â 17,Â 18,Â 17,Â 16,Â 16,Â 16,Â 17,Â 20
- 9, 16, 14, 22, 20, 9, 19, 16, 21, 8

**Question **

Which of the data sets represented by the following histograms has the smallest standard deviation?

Select the correct answer below:

Answer:

**Question**

Which of the following lists of data has the largest standard deviation?

Select the correct answer below:

- 9,Â 11,Â 13,Â 10,Â 13,Â 13,Â 13,Â 9,Â 9,Â 10
- 24,Â 15,Â 21,Â 23,Â 9,Â 22,Â 12,Â 21,Â 20,Â 13
- 15,Â 18,Â 18,Â 18,Â 18,Â 15,Â 15,Â 15,Â 16,Â 16
- 23,Â 24,Â 23,Â 24,Â 26,Â 25,Â 26,Â 23,Â 26,Â 24
- 10,Â 12,Â 13,Â 11,Â 11,Â 14,Â 14,Â 11,Â 12,Â 12

**Question**

The following data values represent the daily amount spent by a family during a 7 day summer vacation.

Find the population standard deviation of this dataset:

$96, $125, $80, $110, $75, $100, $121

Answer:

**Question**

The following data values represent the daily amount spent by a family during a 7 day summer vacation.

Find the sample standard deviation of this dataset:

$96, $125, $80, $110, $75, $100, $121

- Round the final answer to one decimal place.

Answer:

**Question**

The data below are the monthly average high temperatures for November, December, January, and FebruaryÂ in New York City from the Country Studies/Area Handbook Series sponsored by the U.S. Department of the Army between 1986 and 1998. What is the sample standard deviation?

54,42,40,40

- Round the final answer to one decimal place.

Select the correct answer below:

- 6.7
- 3
- 45.3
- 136

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