Data and Statistics Review

What is the range of the dot plot?

• 9

• 5

• 4

• 6

How many more people 19 and under are in the French club than the Spanish club?

• 1

• 3

• 2

• 4

What percent of the data is between 25 and 30 on the number line?

• 25%

• `50%

• 75%

• 100%

The following M & M colors are in the bowl:
4 yellow, 6 orange, 3 green, 5 blue, 2 brown
What is the probability of selecting a brown candy?

• 2/18

• 1/9

• 2/20

• 1/10

Find the outlier of the set of data: 7, 8, 11, 7, 6, 15, 31, 11 

• 7

• 15

• 11

• 31

A table shows the average of 3, 6, 4, 2, and 100. Is this data misleading, why?

• Yes, because 100 is an extreme outlier

• No, because all the numbers are less than 1000. 

• No, because 100 fits into the data set.

• Yes, because 2 is an outlier 

What is the mode in the set of data?
2,2,2,4,4,5,6,6,6,7

• 2

• 6

• 2 and 6

• 2,4, and 6

find the median of
20 30 40 50 60

• 50

• 40

• 1

• 5

At a middle school, the 7th graders will conduct a survey for where to go on a field trip. Which method will result in the least biased decision?

• to randomly ask 8th grade students who went on a field trip last year

• to randomly choose some 7th grade students to select a location

• to ask all 7th grade teachers and administrators for a location

• to ask the student council to choose a location

_______ is a part of a group being surveyed.

• Sample

• Population

• Random Sample

• Quartile