Classify the variable as categorical or quantitative.

Two dice were rolled and the sum of the two numbers was recorded. This procedure was repeated 400 times. The results are shown in the relative frequency histogram.

Which of the following statements best describes the shape, center, spread, and unusual features of this distribution?

According to a measuring device, the  median weight of 20 scallops caught in the bay was 25.4  grams. Unfortunately the measuring device had not been calibrated correctly, and 0.5 grams had to be added to each measured weight to give the correct weight. The median correct weight, correct to one decimal place, in grams, is

Either by hand, MS Excel or using the special function on your calculator, calculate the standard deviation of the following set of numbers:

27     21     28     23     24     29     30

Give your answer correct to one decimal place.

Either by hand, MS Excel or using the special function on your calculator, calculate the standard deviation of the following set of numbers:

27     41     38     31     29     39

Give your answer correct to one decimal place.

Either by hand or using the special function on your calculator, calculate the mean of the following set of numbers:

16     23     31     42     59     63     69     65

Give your answer correct to one decimal place.

Do men and women run a 5 kilometer race at the same pace? Here are boxplots of the time (in minutes) for a race recently run in Geelong.

Which of the following statements best describes the comparison of men and women runners in this race?

Two statistics classes (50 students each) took the same test. Shown below are histograms of the scores for the classes. Use the histograms to answer the question.

Classify the variable as categorical or quantitative.