The number of times a particular observation occurs in the given data is called its __________.
The fourth class interval for a grouped data whose first
and second class intervals are 10 –15 and 15 –20
respectively is __________.
A dice is thrown two times and sum of the numbers
appearing on the dice are noted. The number of possible
outcomes is
(a) 6 (b) 11 (c) 18 (d) 36
The pie chart depicts the information of viewers watching
different type of channels on TV. Which type of
programmes are viewed the most?
(a) News (b) Sports (c) Entertainment
(d) Informative.
The following data : 2, 5, 15, 25, 20, 12, 8, 7, 6, 16, 21, 17, 30, 32, 23, 40, 51, 15, 2, 9, 57, 19, 25 is grouped in the classes 0 –5, 5 –10, 10 –15 etc. Find the frequency of the class 20 –25.
(a) 5 (b) 4 (c) 3 (d) 2
The range of the data– 9, 8, 4, 3, 2, 1, 6, 4, 8, 10, 12, 15, 4, 3 is
(a) 15 (b) 14 (c) 12 (d) 10
From a rope 40 metres long, pieces of equal size are cut. If the length
of one piece is 10/3 metre, find the number of such pieces.