Intro Statistics Review

What is the MODE of this data?

• 100

• 20

• 80, 85, and 90

• none

What do you do if there are two numbers in "the middle" when you are finding the median?

• Pick your favorite number

• Add the two numbers in the middle & then divide by two.

• They are both the median

• None of the above

What is the median?

• The number in the middle.

• The greatest number - the least number

• The average

• The number that appears most often.

To find the average of a set of numbers, add up all the items and divide by...

• 2.
• The smallest number
• The largest number
• The number of items in the set.

What is the branch of mathematics dealing with the collection, analysis, interpretation, presentation, and organization of data?

• Statistics

• Algebra

• Geometry

• Calculus

The study of data is called...

• stations

• statistics

• stars

• studying

Dr. Dre is a dentist. He needs to report on the average number of cavities that his patients have.
1, 0, 1, 5, 0, 3, 4.  What is the average number of cavities?

• 14

• 2

• 7

• 1

Which number is not the mean, median or range of the data set 4, 3, 15, 11, 3, 8, 7, 5?

• 6

• 11

• 12

If 70% of all people prefer to watch football over any other sport, how many people would you predict would prefer football out of 200 people?

• 70 people

• 100 people

• 140 people

• 170 people

Out of 225 cat owners, predict how many owners trained their cat to not climb on furniture.

• About 100 people

• About 110 people

• About 120 people

• About 130 people