Correlation Coefficient

Correlation Coefficient

9th - 12th Grade

33 Qs

quiz-placeholder

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Correlation Coefficient

Correlation Coefficient

Assessment

Quiz

Mathematics

9th - 12th Grade

Hard

CCSS
8.EE.B.5, 8.EE.C.8C, HSF-LE.A.1B

Standards-aligned

Created by

TYRIAN JILLES

Used 1+ times

FREE Resource

33 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

A study compared the number of years of education and a person's annual salary. The correlation coefficient of the data was r = 0.913. Which conclusion can be made using the correlation coefficient?

There is a strong positive correlation.

There is a strong negative correlation.

There is no correlation.

There is a weak positive correlation.

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image

The relationship ship between a woman's show size and length of her foot, in inches, is given in the table.

Calculate the line of best fit using the graphing calculator.

a = .25 and b = 7.75

y = .25x + 7.75

r = 1

y = ax + b

Tags

CCSS.8.EE.B.5

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image

As shown in the table, a person's target heart rate during exercise changes as the person gets older. Use the graphing calculator to find the correlation coefficient (r).

-0.999

-0.664

0.998

1.503

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image

What is the correlation coefficient of the data characteristics shown?

-.928

.928

.861

-.861

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image

What COULD be the approximate value of the correlation coefficient for the scatter plot?

-.851

-.162

0.211

0.905

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image

The points in the scatter plot show the ages of cars (x) and their price in dollars (y). What could you conclude about the relationship of the data?

Age and price have no correlation.

Age and price have a weak positive relationship.

Age and price have a weak negative relationship.

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

The relationship between x, a student's test scores and y, the student's success in school. Based on this information, what could the relationship between the data?

As the test scores increase, the student's success increases.

As the test scores increase, the student's success decreases.

There is no relationship between test scores and student success.

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