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Alinara [238K]
3 years ago
5

The data set on the right represents . Which formula should be used to calculate the variance? A teacher recorded all of his stu

dents’ grades on the final exam as: 62, 77, 78, 80, 82, 82, 83, 84, 85, 87, 89, 95 Consider the formulas: A: s squared = StartFraction (x 1 minus x overbar) squared + (x 2 minus x overbar) squared + ellipsis + (x n minus x overbar) squared Over n minus 1. B: s = StartRoot StartFraction (x 1 minus x overbar) squared + (x 2 minus x overbar) squared + ellipsis + (x n minus x overbar) squared Over n minus 1 EndFraction EndRoot. C: Sigma squared = StartFraction (x 1 minus mu) Squared + (x 2 minus mu) squared + ellipsis + (x N minus mu) squared Over N EndFraction. D: Sigma = StartRoot StartFraction (x 1 minus mu) Squared + (x 2 minus mu) squared + ellipsis + (x N minus mu) squared Over N EndFraction EndRoot
Mathematics
1 answer:
BARSIC [14]3 years ago
7 0

Answer:The data set on the right represents the population.

Step-by-step explanation:

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MissTica

Answer:

Option C. is correct choice.

Step-by-step explanation:

20\pm 0.1\:^{\circ}\:C

Regards: Umer

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