Mathematics
In the class-intervals 1-10, 11-20, 21-30; the class 11-20 after adjustment is :
0.5-10.5
20.5-30.5
10.5-30.5
10.5-20.5
Related Questions
The marks obtained by 15 students in a test (out of hundred) are given below :
81, 72, 90, 90, 80, 55, 72, 66, 69, 80, 36, 54, 62, 56 and 58
The range of data is :
46
54
90
100
The class-mark of the class 35-45 is :
35
45
40
42
The class marks of a frequency distribution are 10, 15, 20, 25, …………… The class corresponding to the class mark 15 is :
12.5-17.5
10-20
10.25-17
14-16
State, which of the following variables are continuous and which are discrete :
(a) number of children in your class.
(b) distance travelled by a car.
(c) sizes of shoes.
(d) time.
(e) number of patients in a hospital.