MATHEMATICS MIDDLE SCHOOL

The equation that fits the data on a scatterplot of the values of stock QRS hasan r-value of 0.9986. Which best describes the correlation of the graph?
A. Weak correlation
B. Strong negative correlation
C. Strong positive correlation
O
D. No correlation

Answers

Answer 1
Answer:

The correlation of the graph described will have Strong positive correlation.

What is correlation?

Correlation or dependence is any statistical relationship, whether causal or not, between two random variables or bivariate data.

The correlation coefficient, r value, measures the strength and direction of 2 variables in a scatter plot. It ranges from +1 to -1.

+1 means a perfect positive correlation

-1 means a perfect negative correlation

0 means there is no correlation

A value close to 0.7 would signify a strong relationship (whether positive or negative)

A value close to 0.5 indicates a moderate relationship

A value close to 0.3 indicates a weak relationship

Now, the question says the r value is 0.9986

This is positive.

Also, this is a "strong" relationship

Hence, we can say:

It has Strong positive correlation, or answer choice C

Learn more about correlation click;

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