Select all the correct answers.The dot plot shows the number of classes per semester that a group of boys and girls have chosen to take in their freshman year of college. Which statements correctly describe the two data sets? The difference of the means is 1.5. The difference of the means is 0.5. The difference of the means is about one-third the mean absolute deviation of either data set. The difference of the means is 1. The difference of the means is about one-half the mean absolute deviation of either data set.

The dot plots below show the number of gym members who attended two different aerobics classes over a six-week period. Each class met three times per week.The variability for each class is 4. The difference between the mean number of gym members for each class is approximately how many times the variability? A. 3 B. 2 C. 5 D. 4

24 The dot plots represent the distributions of values in data sets A and B. Data Set A Data Set B Which of the following statements must be true? I. The median of data set A is equal to the median of data set B. II. The standard deviation of data set A is equal to the standard deviation of data set B. A) I only B) II only C) I and II D) Neither I nor II

A class of students completed a spelling quiz and the results are shown as a dot plot below.Select the true statement below:Question 2Select one:A.The dot plot represents qualitative data.B.The dot plot represents quantitative data.C.The dot plot represents relative frequencies.D.None of the above.

5. (08.02 MC)The dot plot below shows the drawing scores of some students:Which statement best describes the shape of the data? (1 point)It is symmetric and has a peak at 3.It is symmetric and has a peak at 5.It is not symmetric and has a peak at 3.It is not symmetric and has a peak at 5.

An instructor recommends to students in his introductory statistics class to spend at least 5 hours studying outside class. One of the items on the student survey for this course was "How many hours a week do you study for this class?” The instructor examined the data for men and women separately. Below is the distribution of this variable for the 30 women in the class.Part C: Which of the following boxplots represents the same data set as the histogram shown above?