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Card 1 of 21

In a histogram, what does the area of each bar represent?

A

The frequency of the class.

B

The formula for frequency density is

frequency density=frequencyclass width \boxed{\text{frequency density} = \frac{\text{frequency}}{\text{class width}}} frequency density=class widthfrequency​​

.

C

If data is measured to the nearest whole number, the class width of the interval 10–14 is 5.

D

To estimate the probability of an event from a histogram, you divide the estimated frequency for the event by the total frequency.

Card 1 of 21

3.4 Histograms Flashcards

  1. A Level
  2. /Maths
  3. /3.4 Histograms

21 flashcards on Edexcel A Level Maths 3.4 Histograms: the key formulae, methods and definitions you need to recall for Paper 1, Paper 2 and Paper 3.

Flashcards