Statistics Free Doubts and Solutions
CBSE - IX - Mathematics - Statistics
For what value of x will 8 and x have the same mean as 27 and 5? Elaborate step-by-step.
CBSE - IX - Mathematics - Statistics
Q1) Prepare a histogram on the following:
a) Percentage distribution of Foreign Tourists Arrival in India according to age groups during 1996 – 2012 for class size 10 (using Table ).
age group (inyears)
0-15
15-25
25-35
35-45
45-55
55-65
65&above
% distribution by age group (in years)
11
8
16
21
20
14
10
Q1) Prepare a histogram on the following:
a) Percentage distribution of Foreign Tourists Arrival in India according to age groups during 1996 – 2012 for class size 10 (using Table ).
|
age group (inyears)
|
0-15
|
15-25
|
25-35
|
35-45
|
45-55
|
55-65
|
65&above
|
|
% distribution by age group (in years)
|
11
|
8
|
16
|
21
|
20
|
14
|
10
|
CBSE - IX - Mathematics - Statistics
The average of 20 numbers is 0.of them,at most how many of them may be greater than zero?
CBSE - IX - Mathematics - Statistics
Thank you very much, sir / madam
CBSE - IX - Mathematics - Statistics
There are 50 numbers. each number is subracted from 53 and the mean of the numbers so obtained is found to be -3.5. What is mean of the given number.
CBSE - IX - Mathematics - Statistics
What is the meaning of xifi in statistics?
CBSE - IX - Mathematics - Statistics
The class marks of a distribution are :
45,52,57,62,67,72,77,82,87,92,97,102.
CBSE - IX - Mathematics - Statistics
The mean of 8 observations is 40.If 5 is added to each observation then find the value of new mean.
CBSE - IX - Mathematics - Statistics
The daily earnings of 30 workers are given below
Daily earnings(rupees) No. of workers.
1-50 3
50-100 7
100-150 4
150-200 5
200-250 4
250-300 3
300-350 2
350-400 2
Draw a histogram and a frequency polygon to represent the above data
CBSE - IX - Mathematics - Statistics
how can we determine weather we have to make a histrogram of uniform width or of varying widths ???
plz ans. me as soon as possible
plz ans. me as soon as possible
