Statistics and Dot Plots Quiz

What is the mean of the data set if the sum of the numbers is 30 and there are 6 numbers?

• 6

• 5

• 7

• 4

How do you find the median of a data set with an even number of values?

• Choose the smallest value

• Average the two middle values

• Select the middle value

• Choose the largest value

In a data set, if the largest number is 10 and the smallest is 2, what is the range?

• 6

• 7

• 8

• 9

How many students drew a number less than or equal to 3 in the dot plot example?

• 10

• 9

• 8

• 7

If 6 students drew a 1 and 1 student drew a 5, how many more students drew a 1 than a 5?

• 7

• 5

• 4

• 6

What is the mode of a data set if the number 3 appears most frequently?

• 3

• 2

• 4

• 1

If the range of a data set is calculated as 4, what does this represent?

• The sum of all numbers

• The difference between the largest and smallest numbers

• The average of all numbers

• The most frequently occurring number

What percentage of cards drawn were a 5 if 3 out of 10 cards were 5s?

• 25%

• 35%

• 20%

• 30%

In a dot plot, if two-thirds of the students read less than 9 books, how many students is this if there are 12 students in total?

• 9

• 8

• 7

• 6

What is the mode of a data set if the number 25 appears four times, more than any other number?

• 20

• 22

• 25

• 28