This web page contains a live and functional spreadsheet created with
SpreadsheetConverter
. Please enable JavaScript in your web browser for the live calculations to work properly.
Calculate all the Statistics required from the following tables:
Answer to 2 decimal places
Use rounded answers in any subsequent calculations
Q1)
Lower
Upper
f
f.density
m
f m
f m
2
Cf
45
50
3
50
60
26
60
65
25
65
70
30
70
80
16
Q1 =
Median =
Mean =
Q3 =
IQR =
Var =
SD =
Estimate the number of objects with a measurement greater than 60
Estimate the number of objects with a measurement less than 56
Estimate the number of objects with a measurement between 55 and 67
Q2)
Lower
Upper
f
f.density
m
f m
f m
2
Cf
10
30
24
30
50
45
50
70
57
70
100
78
100
200
45
Q1 =
Median =
Mean =
Q3 =
IQR =
Var =
SD =
Estimate the number of objects with a measurement greater than 75
Estimate the number of objects with a measurement less than 60
Estimate the number of objects with a measurement between 40 and 80
Q3)
(past A level exam question)
a)
b)
c)
Reset
Print