Mean Median Mode Range Iqr Q1 Q3

Find the IQR of following test grades:
100   80   70   90   100

• 30

• 20

• 25

• 15

Calculate the interquartile range of the following data:
17, 18, 18, 19, 20, 21, 21, 23, 25

• 3

• 4

• 5

• 8

Which is the closest to what most people would call the "average?"

• mean

• median

• mode

• range

Find the Interquartile range of the data set.

• 24

• 48

• 45

• 34

What is the term that means the middle data value?

• Median

• Mode

• Mean

• Range

What is the interquartile range?

• 4

• 6

• 2

• 8

Match the following terms with its correct definition.

• The sum of all values divided by the total number of values

• Mode

• The number that appears most frequently in a set of numbers

• What if there are 2 numbers in the middle?

• The difference between the highest and lowest values in a set of numbers

• Median

• Add together, and divide by 2.

• Mean or Average

• The middle value in a list of numbers when arranged in ascending order

• Range

The IQR is a measure of __________________ .

• center

• variation

• quartiles

• range

What data value is the upper quartile (Q3)?

• 64

• 62

• 66

• 58

The table shows the points scored by the JV basketball team at Cox Mill High School in their first seven games. Calculate the mean, median, mode and range. Which statistical measure makes the team sound the best?

• Mean

• Median

• Mode

• Range