Section 2.2

Question 1

Dotplot

Answer 1

Each case in a dotplot is represented by a dot and dots are stacked

Question 2

Histogram

Answer 2

The height of each bar in a histogram corresponds to the number of cases within that range of the variable

Question 3

Symmetric Graph Shape

Answer 3

occurs when the values of variables appear at regular frequencies and often the mean, median, and mode all occur at the same point

Question 4

Right-Skewed Graph Shape

Answer 4

the peak of the graph lies to the left side of the center

Question 5

Left-Skewed Graph Shape

Answer 5

the peak of the graph lies to the Right side of the center

Question 6

Bell-Shaped Graph Shape

Answer 6

A curve that resembles a cross-section of a bell

Question 7

Mean

Answer 7

The average of the data values

Question 8

Median

Answer 8

The middle value when the data are ordered

Question 9

Outlier

Answer 9

An observed value that is notably distinct from the other values in a dataset

Question 10

Resistance

Answer 10

A statistic is resistant if it is relatively unaffected by Outliers