2. Describing Data with Tables and Graphs

Suppose you have four histograms, each displaying the frequency of exam scores for different classes. Which histogram would represent the class with the largest spread in scores?

$$For which type of variable is it not possible to create a histogram or a boxplot?$$

Which of the following statements about histograms is true?

Given the following frequency histogram that displays the final grades of a random sample of college students, which of the following statements is most likely true about the distribution of the grades?

Which of the following statements is true about the distribution represented by a histogram that is symmetric and bell-shaped?

Which of the following best describes the shape of a histogram that has most of its data concentrated on the left with a long tail extending to the right?

In a probability histogram, there is a correspondence between —.

The histogram to the right represents the weights $w$ (in kilograms $\mathrm{kg}$) of a group of students. Which of the following statements is most likely true about the distribution of weights shown in the histogram?

Which of the following best describes a histogram that is skewed to the $\mathrm{left}$?

Which of the following histograms is approximately symmetric?

Which of the following can be determined directly from the histogram of a dataset?

In Exercises 5 and 6, construct the dotplot.

Diastolic Blood Pressure Listed below are diastolic blood pressure measurements (mm Hg) of females selected from Data Set 1 “Body Data” in Appendix B. All of the values are even numbers. Are there any outliers? If so, identify their values.

Which of the following statements is most likely true based on the histogram above?

Based on the histograms, which of the following statements is most likely true about the distribution of the data?

Which of the following types of data would be best analyzed and communicated using a histogram?