Chapter 1 Sections 1-5

Front

What are the stems used in a stem plot for the data: 50, 35, 0, 97, 76, 0, 0, 87, 23, 65?

Back

0, 1, 2, 3, 4, 5, 6, 7, 8, 9

Front

How would you describe the shape of a distribution that is roughly symmetric?

Back

The distribution has a balanced shape, where the left and right sides are mirror images.

Front

In how many games did the team score fewer than 10 points if the options are 3, 5, 4, 6?

Back

3

Front

What is a quantitative variable?

Back

A variable in which the numbers act as numerical values and always has units.

Front

What is the equivalent bar chart to a given pie chart?

Back

(Provide a visual representation of the equivalent bar chart.)

Front

What is a histogram?

Back

A graphical representation of the distribution of numerical data, showing the frequency of data points in specified ranges.

Front

What does it mean if a distribution is skewed to the right?

Back

The tail on the right side of the distribution is longer or fatter, indicating that there are a number of unusually high values.

Front

What is a categorical variable?

Back

A variable that can take on one of a limited, and usually fixed, number of possible values, assigning each individual or other unit of observation to a particular group.

Front

What is the purpose of a pie chart?

Back

To show the relative proportions of different categories in a whole.

Front

What does it mean for a distribution to be bimodal?

Back

The distribution has two different modes or peaks.