Measures of Variability - Page 5
Questions
- What is the variance of {0, 26, 31, 36, 50}?
- What are the mean and standard deviation of {15, 9, 23, 12, 17}?
- What are the mean and standard deviation of {115, 89, 230, -12, 1700}?
- What are the mean and standard deviation of {34, 98, 20, -1200, -90}?
- What are the mean, median, mode, variance and standard deviation of {4,6,7,5,9,4,3,4}?
- What are the range, median, mean, and standard deviation of: {212, 142, 169, 234, 292, 261, 147, 164, 272, -20, -26, -90, 1100}?
- What are the mean and standard deviation of {2,3,3,5,1,5,4,4,2,6}?
- What is the expected value and standard deviation of X if P(X=0) = 0.31, P(X-1) = 0.45, P(X=2) = 0.24?
- What is the expected value and standard deviation of X if P(X=0) = 0.76, P(X=1) = 0, P(X=2) = 0.24?
- What is the expected value and standard deviation of X if P(X=0) = 0.16, P(X=1) = 0.4, P(X=2) = 0.24, P(X=5)=0.2?
- If C is the union of A and B, how do you calculate the standard deviation of population C if you know the standard deviations of A and B? What if A and B are of different sizes?
- What is the variance of {40; 56; 59; 60; 60; 62; 65; 69; 75; 84}?
- What is the variance of {5, 5, 7, 25, 73, 89, 22, 1, 55, 93, 2}?
- What is the variance of {51, 3, 9, 15, 3, -9, 20, -1, 5, 3, 2}?
- What is the variance of {-7, 42, -5, 1, 6, -3, 4, -2, 17, 53, -2, 4, 7, 88}?
- What is the variance of {99, 4, 65, 12, -6, 21, 34, -52, 1, 83, -12, 44, 17, -8}?
- What are the variance and standard deviation of {2,9,3,2,7,7,12}?
- What are the variance and standard deviation of {18, -9, -57, 30, 18, 5, 700, 7, 2, 1}?
- What are the variance and standard deviation of {1, -1, -0.5, 0.25, 2, 0.75, -1, 2, 0.5, 3}?
- What are the variance and standard deviation of {1, 1, 1, 1, 1, 80, 1, 1, 1, 1, 1, 1}?