2. Describing Data with Tables and Graphs

Suppose a histogram displays data grouped into the following classes: $10-14$, $15-19$, $20-24$, $25-29$. Based on this histogram, what is the class width?

Which of the following best describes the purpose of a histogram?

When the right half of a $histogram$ is a mirror image of the left half, the $histogram$ is

Why would someone choose to create a $histogram$ instead of a $bar$ chart?

Which of the following traits do histograms possess?

IQ Scores IQ scores of adults are normally distributed. If a large sample of adults is randomly selected and the IQ scores are illustrated in a histogram, what is the shape of that histogram?

Which of the following histograms best represents a normal distribution $N(\mathrm{bc},{\mathrm{c3}}^2)$?

Which of the following is the best way to describe the data shown in a histogram?

Which of the following best describes a key difference between a histogram and a bar graph?

Suppose you have a dataset of exam scores grouped into intervals of 10 points ($0-10$, $10-20$, ..., $90-100$). If you create a histogram using frequency on the y-axis, which of the following histograms would represent the same data as one using relative frequency on the y-axis?

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?