19.3 Histograms

Front

How many students have heights between 150 cm and 160 cm (150 cm ≤ h < 160 cm)? Options: 25 students, 30 students, 35 students, 40 students, 45 students.

Back

35 students

Front

How many students have heights between 165 cm and 170 cm (165 cm ≤ h < 170 cm) at Mathstown High School?

Back

18 students

Front

How many students have heights between 170 cm and 180 cm (170 cm ≤ h < 180 cm) at Mathstown High School?

Back

22 students

Front

How many students have heights between 190 cm and 210 cm (190 cm ≤ h < 210 cm)? Options: 3 students, 6 students, 9 students, 12 students, 25 students.

Back

3 students

Front

What frequency density should be used to draw the bar on the histogram to show students with heights between 160 cm and 165 cm (160 cm ≤ h < 165 cm)?

Back

40 units

Front

Frequency density for heights between 180 cm and 190 cm (180 cm ≤ h < 190 cm) in histogram?

Back

12 units

Front

What frequency density should be used to draw the bar on the histogram for birds spending between 10 and 20 seconds on the bird table?

Back

32 units

Front

Frequency density for birds spending 25 < t ≤ 30 seconds on bird table?

Back

48 units

Front

Using Victoria's frequency table, what frequency density should be used for birds spending between 30 and 50 seconds on her bird table?

Back

6 units

Front

How many birds spent between 10 seconds and 20 seconds (10 seconds < t ≤ 20 seconds)?

Back

18 birds