Answer with Step-by-step explanation:
16 19 21 26 27 29 34 35 35 39 40 41 42 50 50 52 57 60 75 76 78 81 84
the data is already arranged in ascending order
Min=16
Max=84
The quartiles for the odd set of data is given by

where n is the number of elements
Here, n=23

Q1=6 th term
Q1=29
Q2=12 th term
Q2=41
Q3=18 th term
Q3=60
Hence, five-number summary for the given data is:
Min Q1 Q2 Q3 Max
16 29 41 60 84
Answer:
Step-by-step explanation:
15% of the number 60 is 9
Answer:

Step-by-step explanation:
Given
-- of the roadworks

Required
Determine the speed
In this case:


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