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WorksheetsStatistics Week 3
Total questions: 10
Worksheet time: 6mins
How would you describe the distribution?
Positive Skewness
Negative Skewness
Symmetrical
Uniform
Describe the shape of the graph.
Skewed right
Skewed left
Symmetrical
Uniform
Describe the shape of the graph.
Skewed right
Skewed left
Uniform
Symmetrical
Describe the graph
Symmetrical
Skewed right
Skewed left
Uniform
A way to describe the shape of a data display that indicates most of the data is on one side of the display.
Skewed
Symmetric
Unimodal
Uniform
Describing the shape of a data set that is a mirror image one both sides of the center point.
Skewed
Symmetric
Unimodal
Uniform
Determine the distribution of a data set with a mean = 2.5, Median = 3.5, and a Mode = 5
Skewed to the right
Skewed to the left
Symmetric
The mean age of sales people in ABC Dept. Store is 30 years with a standard deviation of 6 years. Between which two age limits must at least 75% of the data lie?
24 years - 36 years
12 years - 48 years
18 years - 42 years
6 years - 54 years
The average of the number of trials it took a sample of mice to learn to traverse a maze was 12. the standard deviation was 2. Using Chebyshev's theorem, find the minimum percentage of of data values that will fall in the range of 4 to 20 trials.
75%
93.75%
97.22%
88.89%
The mean of a distribution is 20 with a standard deviation of 2. Use Chebyshev's theorem.
At least what percent of the values will fall between 10 and 30? What is the k VALUE ONLY?
2
3
5
4
