Data and Statistics Texas

The table lists five counties with the largest area in Texas. Which measure of center/variation best represents the average size of these counties?

• mean

• IQR

• mode

• range

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 

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

• 1

• 3

• 2

• 4

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

What is the mean of the following set of numbers: 4, 8, 12, 16, 20?

Mathematical Equivalence

ON

find the median of
20 30 40 50 60

• 50

• 40

• 1

• 5

The graph makes it seem like Cy Young had 3 times as many wins as Jim Galvin. Is this a valid conclusion?

• Yes, because Young only had about 150 more wins

• No, Young did have 3 times as many wins

Why do we use double box and dot plots?

• To make people confused

• to make data seem misleading

• to save space on paper

• to compare populations

• A

• B

• C

• D

_______ is a part of a group being surveyed.

• Sample

• Population

• Random Sample

• Quartile