the mean of following distribution is 24 find the value of p CI 0 to 10 10 to 20 20 to 30 30 to 40 40 to 50 and 50 to 60..F 15 20 35 P 10 42
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Answer:
-98
Step-by-step explanation:
find the mid values first and then fm
CI f m fm
0-10 15 5 15*5=75
10-20 20 15 20*15=300
20-30 35 25 35*25=875
30-40 P 35 35p
40-50 10 45 10*45=450
50-60 42 55 42*55=2310
∑f=122+p ∑fm=4010+35p
using direct method
mean=24
24=∑fm/∑f
24=(4010+35p)/(122+p)
24(122+p)=4010+35p
2928+24p=4010+35p
24p-35p=4010-2928
-11p=1082
p=-1082/11
p= -98(approx)
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Answer:
" Velocity of an object is the rate of change of its position with respect to a frame of reference, and is a function of time. Velocity is equivalent to a specification of an object's speed and direction of motion (e.g. 60 km/h to the north) "
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