In statistics, what does df denote? If a simple random sample of 24 speeds of ca

Question

In statistics, what does df denote? If a simple random sample of 24 speeds of cars on California Highway 405 is to be used to test the claim that the sample values are from a population with a mean greater than the posted speed limit of 65 mih, what is the specific value of d? O A. df denotes the distribution of freedom. For this sample, df 23 ? B. df denotes the number of degrees of freedom. For this sample, df #24. O C. di denotes the number of degrees of freedom. For this sample, df-23. O D. df denotes the distribution of freedom. For this sample, df 24.

Explanation / Answer

Df is the number of degree of freedom

the number of degrees of freedom is the number of values in the final calculation of a statisticthat are free to vary

Df = n-1=24-1=23

Hence option c is right

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