Mathematics
: asked on Alexhall112

23.01.2023

∑y^2=836

∑x^2=98823

∑y=116

∑(xy)=8249

Find the correlation coefficient (r):

1

09.07.2023, solved by verified expert

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The correlation coefficient of the health research institute data measures the relationship between the age and the years of the smokers

The correlation coefficient is 0.53

How to calculate the correlation coefficientThe correlation coefficient (r) is calculated as:

Using the given parameters, we have:

Evaluate the exponents

Evaluate the products

Evaluate the differences

Evaluate the product

Evaluate the root

Evaluate the quotient

Hence, the correlation coefficient is 0.53

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