Question
Which of the following lists of data has the largest standard deviation?
Select the correct answer below:
- 22, 25, 25, 22, 25, 23, 24, 23, 26, 24
- 13, 11, 11, 11, 10, 14, 14, 10, 11, 11
- 16, 14, 15, 15, 16, 16, 15, 16, 18, 14
- 25, 23, 25, 22, 21, 25, 22, 21, 25, 23
- 7, 14, 19, 18, 4, 16, 5, 11, 11, 12
Question
The following data set represents the salaries for all 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 salespeople (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, 21, 19, 17, 16, 32, 26, 25, 19, 16
- 5, 11, 15, 7, 5, 9, 8, 16, 14, 11
- 25, 24, 28, 18, 32, 34, 34, 22, 28, 19
- 17, 19, 17, 18, 17, 16, 16, 16, 17, 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, 11, 13, 10, 13, 13, 13, 9, 9, 10
- 24, 15, 21, 23, 9, 22, 12, 21, 20, 13
- 15, 18, 18, 18, 18, 15, 15, 15, 16, 16
- 23, 24, 23, 24, 26, 25, 26, 23, 26, 24
- 10, 12, 13, 11, 11, 14, 14, 11, 12, 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 February 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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