Skip to content

Course home

Sign up

2 Unit 2: Applied Mathematics A

EasyMediumHard
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157
Question 69

In a histogram, the class 10≤x<18 10\leq x<18\,10≤x<18 has height 2.5 and represents 20 observations. The class 18≤x<30 18\leq x<30\,18≤x<30 represents 18 observations.

a.

Explain why histogram area, rather than height, represents frequency.

[2]
b.

Find the height of the second bar on the same frequency-density scale.

[2]
Markscheme

2 Unit 2: Applied Mathematics A Questions

  1. A Level
  2. /Maths
  3. /2 Unit 2: Applied Mathematics A

Question bank