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1. Which of the following is a measure of the variability of data?
A. mean
B. mode
C.meadia
D. variance
2. Which statement describes the measure of variability?
A. The central score of the data.
B. How spread out the data is.
C. The collection of data to be sampled.
D. The numerical value that occurs most often. 3. Which of the following is the square root of variance?
A. range
B. variance
C. deviation
D. standard deviation
4. What is the range of the following set of data:5, 7, 10, 15, 24?
A. 10
B. 19
C. 22
D. 29 5.
5.Given the mean of 7, what is the variance of the following data set: 7, 10, 4, 8, 6?
A. 4
B. 6
C. 7
D. 10