CBSE 11th Standard Maths Subject Statistics Value Based Questions 2 Marks Questions With Solutions 2021
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CBSE 11th Standard Maths Subject Statistics Value Based Questions 2 Marks Questions With Solutions 2021
11th Standard CBSE
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Reg.No. :
Mathematics
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An analysis of monthly wages paid to workers in two firms A and B belonging to the same industry, give the following result.
Firm A Firm B Number of wages earners 586 648 Mean of monthly wages Rs. 5253 Rs. 5253 Variance of distribution of wages 100 121 Which value is addressed by the firms by paying out larger wages to employees?
(a) -
A school conducted an intelligence test for the students and the winner of the test was to be awarded with a cash prize of Rs. 5000.
The scores of 48 children in an intelligence test are shown in the following frequency table.Score Frequency Score Frequency 71 4 97 4 76 3 101 3 79 4 103 3 83 5 107 3 86 6 110 2 89 5 114 2 90 4 Calculate the variance \({ \sigma }^{ 2 }\) and find out the percentage of children, whose scores lies between \(\overline { x } -\sigma \) and \(\overline { x } +\sigma \).
(a) -
A school conducted an intelligence test for the students and the winner of the test was to be awarded with a cash prize of Rs. 5000.
The scores of 48 children in an intelligence test are shown in the following frequency table.Score Frequency Score Frequency 71 4 97 4 76 3 101 3 79 4 103 3 83 5 107 3 86 6 110 2 89 5 114 2 90 4 What value is shown in this question?
(a) -
In a survey of 44 villages of a state, about the use of LGP as a cooking mode, the following information about the families using LPG was obtained.
Number of families 0 - 10 10 - 20 20 - 30 30 - 40 40 - 50 50 - 60 Number of villages 6 8 16 8 4 2 Find the mean deviation about median for the following data.
(a) -
In a survey of 44 villages of a state, about the use of LGP as a cooking mode, the following information about the families using LPG was obtained.
Number of families 0 - 10 10 - 20 20 - 30 30 - 40 40 - 50 50 - 60 Number of villages 6 8 16 8 4 2 Do you think more awareness was needed for the villagers to use LPG as a mode of cooking?
(a)
2 Marks
