WorksheetsStandard Deviation Practice
Total questions: 12
Worksheet time: 24mins
5, 10, 7, 12, 0, 20, 15, 22, 8, 2
Which of the following is a measure of dispersion?
What is the standard deviation for the data given: 5, 10, 7, 12, 0, 20, 15, 22, 8, 2
4.67
5.3
6.89
7.26
What is the standard deviation of the data set, correct to 2 decimal places?
21.39
21.38
23.1
The data sets show the test scores of a group for the last two tests.
Test 1: {75, 75, 85, 80, 65, 70, 65} Test 2: {95, 85, 85, 90, 90, 95, 100}
Which data set had the SMALLER standard deviation?
Test 1 with a standard deviation of 6.9
Test 2 with a standard deviation of 6.9
Test 1 with a standard deviation of 5.2
Test 2 with a standard deviation of 5.2
Set 1-Standard Deviation=3.1
Set 2-Standard Deviation=4.9
Set 3-Standard Deviation=1.7
Set 4-Standard Deviation=3.2
Which set of data probably has the points closest to the mean?
Which of the following is a measure of spread, or dispersion ?
(select all that apply)
Interquartile Range
Standard Deviation
Mean
Median
Range
What does standard deviation represent?
How many different variations are in the data set.
How the population varies compared to the sample.
How spread out each data value is from the mean.
The range, but with a bunch of other stuff going on.
