Statistics and Data Analysis

Find the median of: 2, 4, 6, 8, 10, 12, 14

Find the mode of: 5, 5, 8, 8, 8, 10, 12

Find the range of: 15, 22, 18, 25, 20, 17

Which of the following is most affected by outliers?

Find the median of: 12, 15, 18, 22, 25

Find the mean of: 10, 20, 30, 40, 50

The data set is: 8, 12, 14, 14, 18, 20. What is the median?

A data set has 5 values. If 4 of them are 10, 12, 15, 20, and the mean is 14, what is the 5th value?

Which measure of central tendency is least affected by outliers?

Find the interquartile range (IQR) if Q1 = 10 and Q3 = 25

A data set: 5, 7, 9, 11, 13. What is the mean?

In a set of data with median 20, what must be true?

Data set: 6, 8, 10, 12, 14, 16, 18. Find Q1 (lower quartile)

Which type of graph is best for showing how two variables are related?

A histogram shows the distribution of continuous data. Which is shown on the y-axis?

Which measure describes how spread out data is?

Data set: 100, 102, 105, 108, 250. Which value is an outlier?

Find the median of: 3, 7, 5, 9, 1

If the mean of 5 numbers is 25, what is their sum?