Form 5: Histograms - Reading Intervals and Frequencies

Questions

1. MultiChoice

   A histogram has intervals 0-9, 10-19, 20-29, 30-39. What is the bin width (interval size)?

2. MultiChoice

   In a histogram, if the bar for 10-19 has a height of 8, what does 8 represent?

3. MultiChoice

   Test scores in bins: 60-69 (3), 70-79 (7), 80-89 (10), 90-99 (5). How many scored between 80 and 89?

4. MultiChoice

   In the test score histogram, which score interval contains the highest frequency?

5. MultiChoice

   How many total students are represented in the test score histogram (bins: 3, 7, 10, 5)?

6. MultiChoice

   In a standard histogram, what is shown on the vertical (y) axis?

7. MultiChoice

   In a standard histogram, what is shown on the horizontal (x) axis?

8. MultiChoice

   Histogram of ages: 0-14 (12), 15-29 (18), 30-44 (15), 45-59 (10). How many people are under 30 years old?

9. MultiChoice

   In a histogram, why are there no spaces between adjacent bars?

10. MultiChoice

    If a histogram interval is 100-149, which value belongs in this interval?

11. MultiChoice

    Commutes in minutes: 0-9 (4), 10-19 (11), 20-29 (8), 30-39 (2). How many commute under 20 minutes?

12. MultiChoice

    Which interval in the commute histogram has a frequency of 8?