Statistics

Statistics

Assessment

Flashcard

Mathematics

9th Grade

Practice Problem

Hard

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

+4

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 Inter-Quartile Range (IQR)?

Back

The IQR is a measure of statistical dispersion, representing the range between the first quartile (Q1) and the third quartile (Q3) in a data set. It is calculated as IQR = Q3 - Q1.

Tags

CCSS.6.SP.B.5C

2.

FLASHCARD QUESTION

Front

How do you calculate the RANGE of a data set?

Back

The RANGE is calculated by subtracting the smallest value in the data set from the largest value. RANGE = Maximum value - Minimum value.

Tags

CCSS.6.SP.B.4

CCSS.HSS.ID.A.1

3.

FLASHCARD QUESTION

Front

What is the formula for calculating the standard deviation?

Back

Standard deviation (σ) is calculated using the formula: σ = √(Σ(xi - μ)² / N), where μ is the mean, xi represents each value, and N is the number of values.

4.

FLASHCARD QUESTION

Front

What does the mean represent in a data set?

Back

The mean is the average of a data set, calculated by adding all the values together and dividing by the number of values.

Tags

CCSS.6.SP.B.5C

5.

FLASHCARD QUESTION

Front

What is a quartile in statistics?

Back

A quartile is a type of quantile that divides a ranked data set into four equal parts. The first quartile (Q1) is the median of the lower half, the second quartile (Q2) is the median, and the third quartile (Q3) is the median of the upper half.

Tags

CCSS.6.SP.B.5C

6.

FLASHCARD QUESTION

Front

What is the difference between the median and the mean?

Back

The median is the middle value of a data set when arranged in order, while the mean is the average of all values. The median is less affected by outliers than the mean.

Tags

CCSS.6.SP.B.5D

CCSS.HSS.ID.A.2

7.

FLASHCARD QUESTION

Front

What is a data set?

Back

A data set is a collection of related data points or values, often organized in a table or list for analysis.

Tags

CCSS.6.SP.B.5A

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