Statistics and Probability

When the line on a scatter plot has a negative slope, the data has a...

• Positive association

• Negative association 

• No association 

For a two-way table, what is another word for a variable that is not numerical?

• Categorical Variables

• Numerical Variables

• Neither

Bivariate data involves...

• Three variables

• Two variables

• One variables

• Four variables

In a two-way table, what is the ratio of the number of times an event occurs to the total number of events?

• Slope

• Relative Frequency

• Division

• None of the above 

How can the relative frequency of a two-way table be represented?

• Fraction and decimal

• Decimal and percent

• Fraction, decimal, and percent 

What kind of data display shows bivariate data with rows and columns? 

• Scatter Plot

• Bar Graph

• Two-way table

• Pie Chart

What type of frequency is the sum of each column and row?

• Conditional Frequency

• Marginal Frequency 

• Relative Frequency

• None of the above 

When a scatter plot has a trend that is linear, you can estimate the equation for the...

• Line of best fit 

• Slope

• y-intercept

• None of the above 

A two-way tables is organized by...

• Three categorical variables

• Two categorical variables

• Four categorical variables

• None of the above 

A box plot has been drawn to show the heights of some petunia seedlings, in centimetres. Find the interquartile range.

• 6

• 11

• 7

• 8