Data Description and Distribution

What is the mean?

• # happening the most
• the number in the middle
• biggest-smallest
• the average

Find the median of these numbers:
4,2,7,4,3

• 2
• 5
• 7
• 4

At Dominique's Donuts the number of donut holes in a bag can vary. Help Dominique find the mode.
12,10,10,10,13,12,11,13,10

• 13
• 12
• 11
• 10

the difference between the upper and lower quartiles

• interquartile range
• median
• mode
• mean

If there is an even number of data in the data set how do you find the median?

• order the data and find the middle value
• order the data, add the 2 middle values and divide by 2
• they are both the median
• add the 2 numbers in the middle together

Find the median:
3, 5, 7, 4, 3, 1

• 3 and 4
• There isn't one
• 3.5
• 3

Find the mean of these numbers:
2, 57, 38, 42, 6

• 29
• 38
• 50
• 145

You can find the ________________ by taking the square root of the variance.

• standard deviation
• cubed root
• range
• range rule of thumb

What is the mode?

• the value that occurs most frequently

• the average

• size of the class

• the middle value when a set is arranged in ascending order

Which statement best describes this graph?

• There is a peak at 47.

• There is a cluster around 38-40.

• The mode is 40.

• There is a gap in the data between 39-40.