Measure of Central Tendency

The mean of a data set can be found by...

• subtracting the minimum from the maximum

• choosing the middle number

• choosing the number that occurs most

• finding the sum of the numbers and then dividing by the total amount of numbers in the data set

The mode of a data set can be found by...

• subtracting the minimum from the maximum

• choosing the middle number

• choosing the number that occurs most

• finding the sum of the numbers and then dividing by the total amount of numbers in the data set

The median of the numbers 34, 32, 12, 65, and 45 is...

• 34

• 32

• 12

• 65

There can be more than one mean

• True

• False

There can be more than one mode

• True

• False

What is the first step when looking at data?

• Find the mean

• Put them in order from least to greatest

• Sort the data into categories

• Find the range

When you are trying to find the MEDIAN of a set of data and 2 numbers are left in the middle after putting them in order from least to greatest, what do you do?

• List both of the numbers as the Median.

• Add the two numbers together and divide by 2.

• Pick the one that you want.

• Subtract the two numbers.

Mrs. Gilbert's class has an average grade of 87. Later on she realizes she left out Joe's score. His grade was a 65. The new mean will ,....

• increase

• decrease

• stay the same

The mode score on the 6th grade math test was 94! Which of these interpretations must be correct?

• 99 was the highest score on the test.
• More students received a 94 than any other score
• No student scored below a 50
• A score of 91 was slightly below average.

The number of miles that Jenna cycled each week for a 7-week period is shown:

36, 42, 28, 52, 48, 36, 31

What is the median number of miles Jenna cycled?

• 24

• 39

• 36

• 52