Q.1 – Q.2 , Q.3 – Q.4 Q.5 , Q.6 , Q.7 , Q.9 , Q. 10 , Q. 11 Q.12 , Q.13 , Q. 14 , Q. 15 Q.16 to Q. 19
Answer 5
( a).
Refer the graph given in the book;
Maximum value is 146 and Minimum value is 105
Range = Maximum – Minimum
= 146 – 115
Range = 41
Again See the graph and take the values from it,
Q1 = 114
Q2 = Median = 118
Q3 = 126
Intermediate Quartile = Q3 – Q 1
= 126 – 114
Intermediate Quartile = 12
(b).
80th percentile = 130 milligrams = 80 %
Q3 = 75 % = 126
So, The shaded region between two measurements of 130 and 126 will be
= 80 % – 75 %
= 5%
That means 5 % of the measurement will fall between the 130 and 126.
5% of 800 = 5 x 800/100
= 40
Q.1 – Q.2 , Q.3 – Q.4 Q.5 , Q.6 , Q.7 , Q.9 , Q. 10 , Q. 11 Q.12 , Q.13 , Q. 14 , Q. 15 Q.16 to Q. 19
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