Exploring the Interquartile Range (IQR)

What does the Interquartile Range represent?

• The average value of the dataset

• The spread of the middle 50% of the dataset

• The difference between the highest and lowest values

• The spread of the entire dataset

Tags

CCSS.6.SP.B.5C

What is the first step in calculating the Interquartile Range?

• Identifying the highest and lowest values

• Calculating the average

• Sorting the data in ascending order

• Finding the median

Tags

CCSS.6.SP.B.5C

Why is the Interquartile Range considered a better measure than the range?

• It is easier to calculate

• It only considers the middle 50% of the data

• It is always a larger number

• It includes all data points

Tags

CCSS.6.SP.B.5D

CCSS.HSS.ID.A.2

What is the median in a dataset with an odd number of entries?

• The most frequently occurring number

• The sum of all numbers divided by their count

• The average of the two middle numbers

• The middle number when data is in ascending order

Tags

CCSS.6.SP.B.5C

What does Q2 represent in the context of quartiles?

• Mode

• Lower quartile

• Median

• Upper quartile

Tags

CCSS.6.SP.B.5C

How do you find the lower quartile in a dataset?

• It's the median of the lower half

• By subtracting the median from the highest value

• By adding the median to the lowest value

• It's the median of the upper half

Tags

CCSS.6.SP.B.5C

What is the Interquartile Range of the first example dataset?

• 38

• 50

• 18

• 32

Tags

CCSS.6.SP.B.5C

In a dataset with an even number of entries, how is the median found?

• By choosing the middle number

• By finding the mode of the dataset

• By averaging the two middle numbers

• By selecting the highest value

Tags

CCSS.6.SP.B.5C

What is the lower quartile of the second example dataset?

• 9.5

• 8

• 14

• 6

Tags

CCSS.6.SP.B.5C

What is the Interquartile Range of the second example dataset?

• 8

• 6

• 9.5

• 14

Tags

CCSS.6.SP.B.5C