Pls help!

The data set represents the population.

WHICH FORMULA SHOULD BE USED TO CALCULATE THE VARIANCE?

A teacher recorded all of his students’ grades on the final exam as:

62, 77, 78, 80, 82, 82, 83, 84, 85, 87, 89, 95

Consider the formulas:

Pls help The data set represents the population WHICH FORMULA SHOULD BE USED TO CALCULATE THE VARIANCE A teacher recorded all of his students grades on the fina class=

Respuesta :

Answer:

Which formula should be used to calculate the variance?  C

What is the variance? 58.5

The formula that can be used to calculate the variance is option A.

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Given students’ grades on the final exam:

62, 77, 78, 80, 82, 82, 83, 84, 85, 87, 89, 95

  • Variance is calculated using the formula (image attached).

Where,

s² = variance

x = the value of one observation

x bar = The mean value of all observations

n = The number of observations

Therefore, the formula that can be used to calculate the variance is option A.

Learn more about variance:

https://brainly.com/question/15858152

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