The Following Hypothetical Data Were Obtained from a Random Sample

Essay

The following hypothetical data were obtained from a random sample of freshmen. They represent attitude scores toward the statement "Handguns should be registered."The investigator was interested in the variability of attitudes among freshmen on this question.3 , 6 , 5 , 5 , 7 , 4 , 2 , 6 , 5 , 7
a. Arrange these data into an appropriate frequency distribution.
b. Calculate the range.
c. Find the standard deviation using the deviation method.