Question
Sun September 29, 2013

# how to find less than time & more than time in statistics in a grouped data?

Sun September 29, 2013
Consider the following distribution:
C.I.        f
0-10      2
10-20    5
20-30    8
30-40    5

Now, the less than distribution can be obtained as follows:

C.I. (upper limit)           f(c.f) = cumulative frequency
Less than 10                 2
Less than 20                 5+2 = 7
Less than 30                 8+5+2 = 15
Less than 40                 8+5+2+5 = 20

The more than distribution can be obtained as follows:

C.I. (Lower limit)           f(c.f) = cumulative frequency
More than 0                  8+5+2+5 = 20
More than 10                20 - 2 = 18
More than 20                18 - 5 = 13
More than 30                13 - 8 = 5
Related Questions
Tue September 12, 2017

# If the mean of the following frequency distribution is 91,find the missing frequencies Class interval    :  0-30 :30-60 :60-90: 90-120: 120-150: 150-180 No. Of workers  :  12    : 21     : x       :   52      :  y             :     11

Tue September 12, 2017

Home Work Help