Please choose the correct ending to complete the given sentence: Education and Communications: [header] How to read histograms [title] Recognize the difference between a bar chart and a histogram. [step] Bar charts and histograms are similar, but with some very specific differences. A bar chart groups numbers into categories, while histograms group numbers into ranges.

Ending1: Histograms are generally used to show the results of a continuous data set such as height, weight, time, etc. [substeps] A bar graph has spaces between the bars, while a histogram does not. Ending2: The category distinction is often earned by the number of cells in a series, which are grouped together in a single column. A bar chart generally uses only the average number of cells in a row, not all of the cells in a column are in the same column. Ending3: These bar charts can describe what the company makes, where the bar supplies is, what temperature the bar serves and how much bar costs. To read a bar chart, find the date where the bar is located on a page you want to review and then click on it to see if the bar's location varies significantly in appearance. Ending4: The distinction is getting more and more narrow over time. [substeps] Determine if the bars represent the total number of calories a friend should consume per day or if they each list 10 (100 grams) total calories.

Answer format: ending1/ending2/ending3/ending4