G8 Unit 6 Vocabulary

Front

A graph that shows the values of two variables on a coordinate plane and allows us to investigate connections between the two variables is called a _____________.

Back

scatter plot

Front

A data value that is far from the other values in the data set is an _____________.

Back

outlier

Front

A relationship between two quantities where one tends to DECREASE as the other increases is a _____________.

Back

negative association

Front

A relationship between two quantities where one tends to INCREASE as the other increases is a _____________.

Back

positive association

Front

The _____________ of a category tells us the proportion at which the category occurs in the data set. It is expressed as a fraction, a decimal, or a percentage of the total number.

Back

relative frequency

Front

What type of graph is best used to display the relationship between two quantitative variables?

Back

scatter plot

Front

What do you call a value that significantly differs from the other values in a data set?

Back

outlier

Front

If the price of a product increases and the quantity demanded decreases, this is an example of _____________.

Back

negative association

Front

If the temperature rises and the ice cream sales increase, this is an example of _____________.

Back

positive association

Front

Relative frequency can be calculated by dividing the frequency of a category by the _____________.

Back

total number of observations