IQR

IQR

Assessment

Flashcard

Mathematics

6th Grade

Practice Problem

Hard

CCSS
6.SP.B.5C, 6.SP.B.5D, 6.SP.B.4

+3

Standards-aligned

Created by

Wayground Content

FREE Resource

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15 questions

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1.

FLASHCARD QUESTION

Front

What is the definition of the Interquartile Range (IQR)?

Back

The Interquartile Range (IQR) is a measure of statistical dispersion, calculated as the difference between the third quartile (Q3) and the first quartile (Q1). It represents the range of the middle 50% of the data.

Tags

CCSS.6.SP.B.5C

2.

FLASHCARD QUESTION

Front

How do you calculate the IQR from a data set?

Back

To calculate the IQR, first find Q1 (the median of the lower half of the data), Q2 (the median of the data set), and Q3 (the median of the upper half of the data). Then, subtract Q1 from Q3: IQR = Q3 - Q1.

Tags

CCSS.6.SP.B.5C

3.

FLASHCARD QUESTION

Front

What is the formula for finding the range of a data set?

Back

The range of a data set is calculated by subtracting the smallest value from the largest value: Range = Maximum value - Minimum value.

Tags

CCSS.6.SP.B.4

CCSS.HSS.ID.A.1

4.

FLASHCARD QUESTION

Front

What are quartiles in a data set?

Back

Quartiles are values that divide a data set into four equal parts. Q1 is the first quartile (25th percentile), Q2 is the median (50th percentile), and Q3 is the third quartile (75th percentile).

Tags

CCSS.6.SP.B.5C

5.

FLASHCARD QUESTION

Front

How do you find Q1 in a data set?

Back

To find Q1, arrange the data in ascending order and locate the median of the lower half of the data set (excluding the median if the number of data points is odd).

Tags

CCSS.6.SP.B.5C

6.

FLASHCARD QUESTION

Front

How do you find Q3 in a data set?

Back

To find Q3, arrange the data in ascending order and locate the median of the upper half of the data set (excluding the median if the number of data points is odd).

Tags

CCSS.6.SP.B.5C

7.

FLASHCARD QUESTION

Front

What is the significance of the IQR in statistics?

Back

The IQR is significant because it measures the spread of the middle 50% of the data, providing a robust measure of variability that is less affected by outliers compared to the range.

Tags

CCSS.6.SP.A.3

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