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Unit 7 & 8 Review: Scatter plot, MAD and interest

Unit 7 & 8 Review: Scatter plot, MAD and interest

Assessment

Flashcard

Mathematics

8th Grade

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

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15 questions

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1.

FLASHCARD QUESTION

Front

What is Mean Absolute Deviation (MAD)?

Back

MAD is a measure of the average distance between each data point and the mean of the data set.

2.

FLASHCARD QUESTION

Front

How do you calculate the Mean Absolute Deviation (MAD)?

Back

1. Find the mean of the data set. 2. Subtract the mean from each data point and take the absolute value. 3. Find the average of those absolute values.

3.

FLASHCARD QUESTION

Front

Calculate the MAD for the data set: 10, 9, 3, 8, 10.

Back

MAD = 2

4.

FLASHCARD QUESTION

Front

What does a negative correlation indicate?

Back

A negative correlation indicates that as one variable increases, the other variable decreases.

5.

FLASHCARD QUESTION

Front

What does a positive correlation indicate?

Back

A positive correlation indicates that as one variable increases, the other variable also increases.

6.

FLASHCARD QUESTION

Front

What does 'no correlation' mean?

Back

No correlation means there is no predictable relationship between two variables.

7.

FLASHCARD QUESTION

Front

What is a scatter plot?

Back

A scatter plot is a graph that shows the relationship between two quantitative variables using dots to represent data points.

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