Intro Statistics Review

What is the mean for the dot plot?

• 35

• 30

• 70

• 85

How many pieces of data are shown on this dot plot?

• Max. - Min = 6-0=6

• 17, I counted the data

• 2, it is in the middle

The data from how many students was recorded on this histogram?

• 43

• 4

• 60

• 15

Find the median of that data on this frequency table.

• 20

• 45

• 30

• 18

What 3 values could be entered for Wednesday, Thursday, Friday to give you a MEAN of 7?

• 9,6,9

• 2,3,5

• Any 3 numbers that add up to 20.

• All sevens

What is the mode for this data set?

• 3

• 7

• 7.5

• 9

What is the mean of this data set?

• 43

• 46

• 567

• 63

If there is an outlier in your data (a point very far from the other data, or a very long whisker), what is the best measure of center to use and why?

• Median is best because the outlier skews the data.

• Mean is best because the outlier doesn't skew the data.

• Mode is always the best measure of center because it shows the most.

What is the mean of the data, rounded to the nearest tenth?

• 6.0

• 8.0

• 9.3

• 6.8

What are the values for the five number summary?

• 2,4,6,8,10

• 0, 3,5,11,20

• 2, 2.5, 4.5, 10.5, 18

• 2, 3, 5, 11, 18