MAD/IQR Quiz

How do you calculate the IQR?

• Q2 - Q1

• Q1 - Q3

• Q3 - Q2

• Q3 - Q1

Q. Find the median:

5, 6, 3, 9, 0, 4, 1, 2, 7

• 4

• 4.1

• 5

• 4.5

What is the definition of the mean?

• The middle number

• The difference between the highest and lowest numbers

• The average

• The number that occurs the most

When finding the median, what do you do if there are two middle numbers?

• Give up

• Pick one

• Write them both as your answer

• Add them together and divide by 2

Find the median:

3, 5, 7, 4, 3, 1

• 3 and 4

• 3.5

• There isn't one

• 3

Find the mean:

3.8, 4.2, 4.0, 4.2, 4.2

• 4.2

• 20.4

• 4.08

• 5.1

Median is the

• data

• average

• most frequent

• middle of the numbers

Find the mean.

• 8

• 7

• 9

• 10

What is in the 5 Number Summary:

• Minimum, Q1, Mode, Median, Maximum

• Q1, Q3, Q2, Mean, Minimum

• Mean, Median, Mode, Range, and Average

• Maximum, Q1, Median, Minimum, Q3

Q2 is the same as the ______

• Mean

• Median

• Mode

• Range