WorksheetsStandard Deviation
Total questions: 12
Worksheet time: 12mins
This data is normally distributed. What percent of the data is in the shaded region?
68%
95%
99.7%
50%
The term "snowstorms of note" applies to all snowfalls over 6 inches. The snowfall amounts for snowstorms of note in Utica, New York, over a four-year period are as follows: 7.1, 9.2, 8.0, 6.1, 14.4, 8.5, 6.1, 6.8, 7.7, 21.5, 6.7, 9.0, 8.4, 7.0, 11.5, 14.1, 9.5, 8.6 What are the mean and population standard deviation for these data, to the nearest hundredth?
mean = 9.46; standard deviation = 3.74
mean = 9.46; standard deviation = 3.85
mean = 9.45; standard deviation = 3.74
mean = 9.45; standard deviation = 3.85
Which data set has the largest standard deviation?
Set 1
Set 2
Set 3
Set 4
In a population of five university students with GPAs of 2.5, 2.3, 1.7, 1.4, and 1.1, a sample of three students are considered. What would be the standard deviation of the resulting sampling distribution?
0.59
0.41
0.35
0.22
What is the standard deviation for the data given:
{12, 13, 29, 18, 61, 35, 21}
293.67
15.87
17.14
41.98
Given a variance of 64, what is the standard deviation?
8
4096
0
6.8
What is the standard deviation for the data given:
5, 10, 7, 12, 0, 20, 15, 22, 8, 2
6.89
10.1
7.26
9
If the standard deviation of a data set is 4, what is the variance?
2
16
4
Which normal curve has the largest standard deviation?
green
red
blue
Which normal curve has the smallest standard deviation?
green
red
blue
What is the standard deviation of the normal curve?
3
1.4
4.4
1.6
How many standard deviations is 0.2 below the mean?
0
1
2
3
