Answer:
2.1818
Step-by-step explanation:
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Answer:
Comparing Distributions: Z Test
The simplest way to compare two distributions is via the Z-test. The error in the mean is calculated by dividing the dispersion by the square root of the number of data points. In the above diagram, there is some population mean that is the true intrinsic mean value for that population.
Step-by-step explanation:
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Answer:
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Answer:
4 kilometers.
Step-by-step explanation:
in 66 minutes she ran 12 kilometers. if she ran a third of the time (22 minutes) then she would run a third of her distance. her distance was 12 kilometers. 12 divided by 3 equals 4.
Answer:
30 inches
Step-by-step explanation:
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