Mathematics
The marks obtained by 17 students in a mathematics test (out of 100) are given below :
91, 82, 100, 100, 96, 65, 82, 76, 79, 90, 46, 64, 72, 66, 68, 48, 49
The range of data is
46
54
90
100
Related Questions
The histogram showing the weekly wages (in rupees) of workers in a factory is given alongside.
Answer the following about the frequency distribution:
(i) What is the frequency of the class 400 - 425?
(ii) What is the class having minimum frequency?
(iii) What is the cumulative frequency of the class 425 – 450?
(iv) Construct a frequency and cumulative frequency table for the given distribution.
Marks scored by students of class 10A and 10B in a particular class test are as follows:
Marks No. of students of 10A No. of students of 10B 1 - 5 1 2 6 - 10 3 6 11 - 15 8 3 16 - 20 9 10 21 - 25 4 7 26 - 30 5 6 31 - 35 6 4 36 - 40 4 2 Draw their frequency polygons on the same graph.
The class mark of the class 90 - 120 is
90
105
115
120
In a frequency distribution, the mid-value of a class is 10 and the width of the class is 6. The lower limit of the class is
6
7
8
12