Measures of Central Tendency
Q. Calculate the mean of the following numbers: 10, 20, 30, 40, 50.
Q. Calculate the mean of the following numbers: 4, 8, 12, 16, 20.
Q. Calculate the range of the data set: 12, 15, 22, 30, 5.
Q. Calculate the range of the data set: 4, 8, 15, 16, 23, 42.
Q. Calculate the range of the data set: 8, 12, 15, 20, 22.
Q. Calculate the range of the following data set: 12, 15, 20, 22, 30.
Q. Calculate the range of the following data set: 15, 22, 8, 19, 30.
Q. Calculate the range of the following data set: 4, 8, 15, 16, 23, 42.
Q. Calculate the range of the following data set: 8, 12, 15, 7, 10.
Q. Calculate the weighted mean of the following data: (10, 2), (20, 3), (30, 5).
Q. Calculate the weighted mean of the following data: (2, 3), (4, 5), (6, 7) where the first number is the weight.
Q. Calculate the weighted mean of the numbers 10, 20, and 30 with weights 1, 2, and 3 respectively.
Q. Calculate the weighted mean of the scores 70, 80, and 90 with weights 1, 2, and 3 respectively.
Q. Find the arithmetic mean of the first five prime numbers.
Q. Find the arithmetic mean of the numbers 12, 15, 18, 21, and 24.
Q. Find the median of the following numbers: 1, 3, 3, 6, 7, 8, 9.
Q. Find the median of the following set of numbers: 1, 3, 3, 6, 7, 8, 9.
Q. Find the median of the following set of numbers: 3, 1, 4, 2.
Q. Find the range of the data set: 12, 15, 20, 22, 30.
Q. Find the range of the data set: 12, 15, 22, 30, 5.
Q. Find the range of the data set: 8, 12, 15, 20, 25.
Q. Find the weighted mean of the numbers 10, 20, and 30 with weights 1, 2, and 3 respectively.
Q. If the data set is 1, 2, 2, 3, 4, 4, 4, 5, what is the mode?
Q. If the data set is 4, 4, 4, 5, 5, 6, what is the mode?
Q. If the data set is {5, 7, 7, 8, 10}, what is the mode?
Q. If the following numbers are arranged in ascending order: 3, 7, 8, 12, 14, what is the range?
Q. If the mean of a data set is 12 and there are 8 values, what is the total sum of the values?
Q. If the mean of a data set is 30 and there are 10 values, what is the total sum of the values?
Q. If the mean of a data set is 50 and there are 10 values, what is the total sum of the values?
Q. If the median of the data set 3, 5, 7, 9, x is 7, what is the value of x?
