6. The relative frequency of a class is computed by a. dividing the midpoint of the...

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6. The relative frequency of a class is computed by a. dividing the midpoint of the class by the sample size b. dividing the frequency of the class by the midpoint c. dividing the sample size by the frequency of the class d. dividing the frequency of the class by the sample size 7. A graphical presentation of the relationship between two variables is a. an ogive b. a histogram c. either an ogive or a histogram, depending on the type of data d. a scatter diagram 8. When computing the mean of a set of values x,, the value of Ex a. can never be zero b. can never be negative c. must always be positive d. can be any value 9. In computing the mean of a sample, the value of Ex, is divided by a. n b. n-1 c. n+1 d. n-2 6. The relative frequency of a class is computed by a. dividing the midpoint of the class by the sample size b. dividing the frequency of the class by the midpoint c. dividing the sample size by the frequency of the class d. dividing the frequency of the class by the sample size 7. A graphical presentation of the relationship between two variables is a. an ogive b. a histogram c. either an ogive or a histogram, depending on the type of data d. a scatter diagram 8. When computing the mean of a set of values x,, the value of Ex a. can never be zero b. can never be negative c. must always be positive d. can be any value 9. In computing the mean of a sample, the value of Ex, is divided by a. n b. n-1 c. n+1 d. n-2

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