Which of the following is a key feature that distinguishes a histogram from a bar chart?

Bars in a histogram have gaps between them

Bars in a histogram touch each other with no gaps

Histograms only display categorical data

Histograms show individual data points

From the data set {42, 47, 45, 50, 43, 48, 46, 44, 49, 41}, which interval contains the highest frequency if bins are $41$–$44$, $45$–$48$, and $49$–$52$?

All intervals have equal frequency

Histograms Practice — Grade 6 math

Lesson 2: Histograms — Practice Questions

1. Which of the following is a key feature that distinguishes a histogram from a bar chart?
- A. Bars in a histogram have gaps between them
- B. Bars in a histogram touch each other with no gaps
- C. Histograms only display categorical data
- D. Histograms show individual data points
2. Using the push-up data {12, 15, 18, 14, 20, 13, 19, 16, 14, 17}, what is the frequency for the interval $14$–$17$? ___
3. A histogram of daily temperatures uses bins $60$–$64$, $65$–$69$, $70$–$74$, and $75$–$79$ with frequencies $4$, $7$, $5$, and $2$. What is the total number of observations? ___
4. A teacher records 200 student quiz scores and wants to display the distribution. Which bin width would show the MOST detail about where scores cluster?
- A. A bin width of 50
- B. A bin width of 25
- C. A bin width of 10
- D. A bin width of 5
5. From the data set {42, 47, 45, 50, 43, 48, 46, 44, 49, 41}, which interval contains the highest frequency if bins are $41$–$44$, $45$–$48$, and $49$–$52$?
- A. $41$–$44$
- B. $45$–$48$
- C. $49$–$52$
- D. All intervals have equal frequency
6. In a histogram showing the weights of dogs at a clinic, what does the height of a single bar represent?
- A. The number of dogs within a specific weight interval
- B. The average weight of all dogs at the clinic
- C. The heaviest dog's weight
- D. The range of weights from lightest to heaviest
7. A histogram shows the number of books read by students in a month. The intervals are 0-2, 3-5, and 6-8. The tallest bar is above the 3-5 interval. The most frequent number of books read is in the range ___.
8. A histogram of daily temperatures shows that the bar for the $60-69$ degree interval is shorter than the bar for the $70-79$ degree interval. What can be concluded?
- A. There were fewer days with temperatures in the $60-69$ degree range.
- B. The average temperature for the month was exactly 75 degrees.
- C. The temperature never dropped below 60 degrees.
- D. Temperatures in the $60-69$ degree range are always colder.
9. A histogram tracks the cost of weekly groceries. The bar above the interval from 100 to 120 dollars has a frequency of 25. This means that ___ families had weekly grocery costs in that range.
10. A histogram of employee commute times shows most bars are clustered over intervals from $10$ to $30$ minutes, with very short bars for intervals above $45$ minutes. What does this suggest?
- A. Most employees have a commute time between $10$ and $30$ minutes.
- B. No employee has a commute longer than 45 minutes.
- C. The average commute time is exactly 20 minutes.
- D. Longer commutes are more common than shorter ones.