jess3880 jess3880
  • 20-09-2022
  • Mathematics
contestada

19
Type A batteries and type B batteries were tested.
The cumulative frequency diagram shows information about the battery life of type A.
19 (a)
80
70
60
50
Cumulative
frequency 40
30
20
10
of
0
Type A
800 900 1000 1100 1200 1300 1400 1500 1600 1700 1800
Battery life (hours)
Estimate the interquartile range for type A.
Answer
hours
[2 marks]

19 Type A batteries and type B batteries were tested The cumulative frequency diagram shows information about the battery life of type A 19 a 80 70 60 50 Cumula class=

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