Mathematics
In a grouped frequency distribution , the cumulative frequency of the last class interval denotes :
the frequency pertaining to that class
the maximum value of the variate
the total number of observations
none of these
Statistics
1 Like
Answer
The cumulative frequency of last class of a grouped frequency distribution denotes sum of all individual frequencies.
Hence option 3 is the correct option.
Answered By
2 Likes
Related Questions
If the class intervals 40 - 44, 45 - 49, 50 - 54 etc. in a frequency table are converted into continuous form, they become
40 - 45, 45 - 50, 50 - 55, etc
39 - 44, 44 - 49, 49 - 54, etc
39.5 - 44.5, 44.5 - 49.5, 49.5 - 54.5, etc
any of the above
If x and y are the lower limit and upper limit respectively of a class interval, then (y - x) gives the :
class mark
class size
range
frequency
If the lower limit of a class-interval is 48 and the class-mark is 55, then the upper limit is :
60
62
64
61
If the class-intervals in a frequency distribution are 1 - 11, 11 - 21, 21 - 31, etc., then class 1 - 11 means :
more than 1 and less than 11
1 or more but less than 11
equal to or more than 1 but equal to or less than 11
more than 1 but less than or equal to 11