Statistics

Which of the following does NOT represent a statistical question?

• How tall are each of the students in my class?

• How many hours per week do you practice sports?

• How many laps can each of the students on the track team run?

• How much do each of the students on the football team weigh?

A nurse at the hospital records the weights of newborns in pounds. Which statement is true about the data?

• The mean weight is about 8.4 pounds.

• The mean weight is about 7 pounds

• The median weight is 7 pounds

• The median weight is 9 pounds.

The scores of 20 students on a math quiz are given. What is the most common score? (AKA....Mode)

• 84

• 86

• 84 and 86

• No Mode

What is the mean of the data set below?

{0, 1, 1, 2, 2, 3, 3, 3, 4, 5, 5, 5, 5, 5, 6, 6}

• 3.5

• 4

• 4.5

• 5

The school newspaper published a histogram representing the scores of football playoff games. Which frequency table correctly displays the data for the histogram?

• 
• 
• 
• 

How many participants are between 31-50 years old? (Be careful! Make sure you are correctly looking at the intervals!)

• 12 participants

• 14 participants

• 25 participants

• 26 participants

A FULL circle graph (pie chart) should equal.....

• 50%

• 75%

• 80%

• 100%

The circle graph shows the distribution of ages of the 125 police recruits in an academy. How many of the recruits are 31-35?

• 28 recruits

• 5 recruits

• 65 recruits

• 35 recruits

The circle graph shows the distribution of ages of the 125 police recruits in an academy. How many of the recruits are older than 30?

• 40 recruits

• 5 recruits

• 65 recruits

• 35 recruits

The scores of a recent math quiz are listed in the stem and leaf plot. What is the median score?

• 81

• 82

• 83

• 84