Data and Statistics Quiz

What is the mean of the following data set: 5, 7, 9, 11, 13?

• 7

• 9

• 11

• 13

Which measure of central tendency is not affected by outliers?

• mean

• mode

• range

• median

What is the mode of the following data set: 2, 4, 6, 8, 8, 10?

• 8

• 6

• 4

• 2

Which graphical representation is used to show the distribution of a continuous variable?

• bar chart

• line graph

• scatter plot

• histogram

What is the median of the following data set: 3, 5, 7, 9, 11?

• 7

• 9

• 5

• 3

Which measure of central tendency is affected by extreme values?

• median

• mean

• range

• mode

What is the range of the following data set: 2, 4, 6, 8, 10?

• 2

• 4

• 6

• 8

Which graphical representation is used to compare categories or groups?

• line graph

• scatter plot

• pie chart

• bar chart

What is the mode of the following data set: 1, 2, 3, 4, 5?

• 2

• No mode

• 3

• 1

Which statistical analysis is used to determine the relationship between two variables?

• t-test analysis

• regression analysis

• correlation analysis

• descriptive analysis