Exploring Mean in Mathematics

What is the primary purpose of statistics?

• To solve algebraic equations

• To collect and interpret data

• To study historical events

• To confuse with numbers

What type of data would 'your favorite candy' be considered?

• Continuous

• Categorical

• Ordinal

• Numerical

What does a 'peak' in a data set represent?

• The lowest value

• The most frequent value

• The average value

• The unique value

What is the mean also known as?

• Range

• Average

• Mode

• Median

How do you calculate the mean of a set of numbers?

• Multiply all numbers and divide by the count

• Add all numbers and divide by the count

• Subtract all numbers and divide by the count

• Divide all numbers by the count

What is an outlier in a data set?

• The middle number

• A significantly different number

• The average number

• The most common number

How does removing a high outlier affect the mean?

• Makes the mean zero

• Does not affect the mean

• Decreases the mean

• Increases the mean

What is the mean number of times people visited the stadium?

• Three times

• Four times

• Twice

• Once

What is the new mean when the outlier is removed from the boat lengths data?

• 16

• 28

• 18

• 18.9

What effect does removing a low outlier have on the mean?

• No change to the mean

• Doubles the mean

• Raises the mean

• Lowers the mean