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Stats L - Linear Regression

Authored by JADE KRUGER

Mathematics

9th - 12th Grade

CCSS covered

Used 147+ times

Stats L - Linear Regression
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20 questions

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1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

What graph is used to represent an association between two quantitative variables?

boxplot

histogram

normal curve

scatterplot

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What letter do we use to represent correlation coefficient?

c
r
p
h

Tags

CCSS.8.SP.A.2

CCSS.8.SP.A.1

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

The correlation coefficient "r" is a value between

0 and 1
0 and 100
-1 and 1
-2 and 2

Tags

CCSS.HSF-LE.A.1B

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

What does the correlation coefficient (r) tell us?

Style and Type

Percentage and Direction

Strength and Direction

Strength and Style

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

A scientific study was done to research the correlation between the number of hours people spent on social media and feelings of depression. The study found a correlation coefficient of r = 1.3. Which statement is true? 

The study shows that spending more time on social media causes higher feelings of depression. 
The study shows that an increase in time  spent on social media tends to show an increase in feelings of depression. 
The study shows that no relationship exists between time spent on social media and depression. 
The study has a mistake because r should be between -1 and 1. 

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

If there is NO correlation, the correlation coefficient is ____.

1

-1

0

100

Tags

CCSS.HSF-LE.A.1B

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

r = 0.3

Strong positive 
Weak positive
Strong negative
Weak negative 

Tags

CCSS.HSF-LE.A.1B

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