Question

OT
Less than cumu-
lative frequency
19
observation
Speed (in
km/hour)
Below 65
65-70
Number of
cars
19
44-0 = 34
- 55
servation
99
0.25
observation)
184,
194
80-85
C-10
200
85-90
observation
Compute the speed in km/hour below which
75% cars have their speed that is, we have to
calculate the value of Q,
Here N S=0
ervation
31
= 150
observation
observation
.., lies in the class 75-80
L-1. cf. = 99, h = 5.5-O
h 3N
Q = L +
rtment conducted a
- speeds of number
ay. The following
ed:
Q,
= 75+
5
(-99)
85
number of cars
255
Q, = 75+
85
19
44
Q. = 75+3
Q
99
184
194
200
.. There are 75% cars passing the highway
with speed less than 78 km per hour.
kms/hour) below
eed
truct classes and
Note: 1) For partition values it is not mandatory
to convert discontinuous classes into
continuous form. The answer may differ by
hinh is still correct.​

Answer 1

Answer:

BjbKzbKiabaownoa

aksmpsnsa

zosnkz