8.6a: Mean, Median, Mode, Range, B & W Plots

What is another word for AVERAGE?

• Mode

• Median

• Mean

• Not nice

Can there be more than one mode?

• Yes
• No

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.

If there is an even number of data in the data set how do you find the median?

• order the data and find the middle value
• order the data add the 2 middle values and divide by 2

To find the _________ you add up all the numbers and then divide by how many numbers you have.

• Mean
• Median
• Mode
• Range

To find the ______ you put all numbers in order from least to greatest and then take the largest number minus the smallest number.

• Mean
• Median
• Mode
• Range

To find the ________ you put all numbers in order from least to greatest and find the number that is in the middle.

• Mean
• Median
• Mode
• Range

Quartiles break the data set into _____ equal parts each representing 25% of the data.

• 1

• 2

• 3

• 4

Q2 is the same as the ______

• Mean

• Median

• Mode

• Range

Q1 is the median (middle) of the lower half of the data values.

• True

• False