5.2.1b

A ___________ for a numeric data set summarizes all of its values with a single number.

• median

• balance point

• measure of center

• mean

The ___________ is the arithmetic average of the numbers in the data set.

• median

• balance point

• measure of center

• mean

When you have all the points on a number line at the same value after moving data values, you call this value the ____________.

• median

• balance point

• measure of center

• mean

The ___________ is the middle number in a data set when you place the values from least to greatest.

• median

• balance point

• measure of center

• mean

Determine the mode for the number of chirps heard in 15 seconds.

• 35

• 37

• 41

• 42

What does the mode tell you about the number of chirps heard in 15 seconds?

• The mode tells you the average number of chirps heard in 15 seconds.
• The mode tells you the highest number of chirps heard in 15 seconds.
• The mode tells you the lowest number of chirps heard in 15 seconds.
• The mode tells you the most common number of chirps heard in 15 seconds.

Determine the median number of chirps heard in 15 seconds.

• 36

• 36.5

• 37

• 37.5

What does the median tell you about the number of chirps heard in 15 seconds?

• The median tells you the central value of the number of chirps heard in 15 seconds.

• The median tells you the average value of the number of chirps heard in 15 seconds.
• The median tells you the lowest value of the number of chirps heard in 15 seconds.
• The median tells you the highest value of the number of chirps heard in 15 seconds.

Calculate the mean number of chirps heard by the students in 15 seconds. (Round to the nearest tenth)

• 38.2

• 37.5

• 39.1

• 35.6

What does the mean tell you about the number of chirps heard in 15 seconds?

• The mean tells you the lowest number of chirps heard in 15 seconds.
• The mean tells you the highest number of chirps heard in 15 seconds.
• The mean tells you the average number of chirps heard in 15 seconds.
• The mean tells you the total number of chirps heard in 15 seconds.