Which of the following statements is correct?

a. population parameters are used to make inferences about sample statistics
b. population statistics are used to make inferences about sample parameters
c. sample parameters are used to make inferences about population statistics
d. sample statistics are used to make inferences about population parameters

c) Sample parameters are usedto make inferences about population statistics

Step-by-step explanation:

In statistics we use samples to make inferences about population

That is the great advantage of the whole role of distribution. Once you know a particular situation or experiment, that you can associate to one specific distribution and compute parameters, you can obtain from a relative smaller quantity of dataand  with good approximation, inferences about the whole population (that can be conform by a very big numbers of elements)

Sample statistics are used to make inferences about population parameters.

Step-by-step explanation:

6 hours 48 min

step-by-step explanation:

68÷5=13.6

13.6×30=408min=6 hours 48 min.

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twenty-six miles over two gallons because the proportion for the original 13 miles to one gallon would be written 13/1 and, doing the same thing to the top and bottom, i multiplied by 2 and got 26/2