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Mathematics 16 Online
OpenStudy (anonymous):

helpppppppppp !

OpenStudy (anonymous):

with?

OpenStudy (anonymous):

A sample of Geometry class final exam grades are as follows: 80, 85, 72, 76, 95 Find the variance

OpenStudy (anonymous):

63.44

OpenStudy (anonymous):

A student has the following grades: 86, 80, 79, 85, 70. Find the standard deviation of the grades.

OpenStudy (anonymous):

5.69

OpenStudy (anonymous):

Adult IQ scores have a bell-shaped distribution with a mean of 100 and a standard deviation of 15. Use the Empirical Rule to find the percentage of adults with scores between 70 and 130.

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