What is the value of median height?
(a) 145.67 cm (b) 157.67 cm
(c) 155.83 cm
(d) 159.67 cm
Whibal 1fol.
Answers
Given :
Height (in cm)140-145 145-150 150-155 155-160 160-165 165-170
Frequency 5 15 25 30 15 10
To Find : value of median height
(a) 145.67 cm
(b) 157.67 cm
(c) 155.83 cm
(d) 159.67 cm
Step-by-step explanation:
Height (in cm) F CF
140-145 5 5
145-150 15 20
150-155 25 45
155-160 30 75
160-165 15 90
165-170 10 100
100/2 = 50
Median = 155 + 5 x ( 50 - 45)/30
= 155 + 0.83
= 155.83
value of median height 155.83 cm
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