Probability and Statistics

What is the IQR?

• The product of Q1 and Q3

• The quotient of Q3 and Q1

• The difference between Q3 and Q1

• The sum of Q1 and Q3

The number of children's movie tickets sold over a period of a week is shown below.
18, 23, 9, 16, 30, 16, 7
What is the mean number of movie tickets sold during the week?

• 17

• 21

• 16

• 18

Of the 25 students surveyed, how many students get more than ten dollars of allowance each week?

• 5 students

• 0 students

• 4 students

• 10 students

Based on the box plot below, which statements are true?

• The minimum age is 18.

• The median age is 22.

• The maximum age is 24.

• The mean age is 19.

What is the range of the data?

• 8

• 6

• 10

• 12

Mr. Einstein asked you to draw 5 cards from a deck of cards. You selected these five cards. What is the mean of this set of cards?

• 5

• 7

• 9

• 3

For the data set below, which of the following measures is greatest?{20, 25 30, 31, 32, 45, 45, 80}

• Mean

• Median

• Mode

• Range

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

• 1

• 3

• 2

• 4

What is the mean of the following list of numbers?

9, 9, 14, 7, 12, 8, 11, 19, 15, 11

• 9

• 10

• 11.5

• 12.5

A compound event is..

• an event that directly causes another

• the probability of all the outcomes

• 1 event that creates 2 results

• when 2 or  more independent events work together