Data and Statistics

Eva asked ten of her friends how many birthday cards they got for their most recent birthday. The responses were as follows: 3, 2, 1, 0, 3, 4, 2, 1, 0, 1 What is the range?

Theo researched the cost of a well-pet exam from seven different veterinary clinics in his community. They quoted him the following prices: $65, $100, $78, $72, $70, $125, $100

What is the range?

Theo researched the cost of a well-pet exam from seven different veterinary clinics in his community. They quoted him the following prices: $65, $100, $78, $72, $70, $125, $100

What is the IQR?

The graph shows the results of a survey to determine student's favorite pets. Why is this graph misleading?

• The slices are the wrong color

• The slices are not the correct size

• The percents do not add up to 100

• Not misleading

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

find the median of
20 30 40 50 60

• 50

• 40

• 1

• 5

Josh surveyed every 5th person who walked into the cafeteria. Is this a systematic random sample

• No

• Yes