Mathematics, 03.12.2021 02:50 MPSLondon
A researcher claims that the standard deviation of the ages of cats is smaller than the standard deviation of the ages of dogs who are owned by families in a large city. A randomly selected sample of 29 cats has a standard deviation of 2.7 years, and a random sample of 16 dogs has a standard deviation of 3.5 years. Is the researcher correct
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A researcher claims that the standard deviation of the ages of cats is smaller than the standard dev...
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