#### Which of the following best describes a bar chart? 1. [ ] A graph that displays changes in data over time 2. [x] A chart or graph that presents grouped data with rectangular bars, with lengths proportional to the values they represent. 3. [ ] A graph that displays the distribution of data 4. [ ] A graph that displays data as proportions #### What does a bar chart represent? 1. [ ] The relationship between two variables 2. [x] The frequency of categorical data 3. [ ] The distribution of continuous data 4. [ ] The correlation between two variables #### What does the height of a bar in a histogram represent? 1. [ ] The mean of the data 2. [x] The frequency of the data 3. [ ] The median of the data 4. [ ] The mode of the data #### What does a pie chart represent? 1. [ ] The relationship between two variables 2. [ ] The frequency of categorical data 3. [x] The proportion of categories in a whole 4. [ ] The distribution of continuous data #### What does a line graph typically represent? 1. [x] Changes over time 2. [ ] The frequency of categorical data 3. [ ] The proportion of categories in a whole 4. [ ] The distribution of continuous data #### In a histogram, what does the width of a bar represent? 1. [ ] The frequency of the data 2. [x] The range of the data 3. [ ] The mean of the data 4. [ ] The mode of the data #### In a pie chart, what does the size of a slice represent? 1. [ ] The mean of the data 2. [ ] The range of the data 3. [x] The proportion of that category in the whole 4. [ ] The mode of the data #### In a line graph, what does the slope of the line represent? 1. [ ] The frequency of the data 2. [ ] The range of the data 3. [x] The rate of change 4. [ ] The mode of the data #### In a bar chart, what does the length of a bar represent? 1. [ ] The mean of the data 2. [x] The frequency of the data 3. [ ] The range of the data 4. [ ] The mode of the data #### In a histogram, what does the area of a bar represent? 1. [ ] The mean of the data 2. [x] The frequency of the data 3. [ ] The range of the data 4. [ ] The mode of the data #### In a line graph, what does the y-intercept represent? 1. [ ] The frequency of the data 2. [ ] The range of the data 3. [ ] The mode of the data 4. [x] The initial value of the data