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Measures of Cen...

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  • Question 1
    1 / -0

    The distribution of income of $$60$$ teachers in a school are given below. Find the Arithmetic mean of the following data by Asumed mean method.

  • Question 2
    1 / -0

    Calculate the average income of the workers per week using step deviation method.

  • Question 3
    1 / -0

    Find the mean of following frequency distribution using step deviation method.

  • Question 4
    1 / -0

    Find the mean using step deviation method.

  • Question 5
    1 / -0

    Calculate the mean of the following data with the help of Assumed method.

  • Question 6
    1 / -0

    In a study on a certain population, the following data was given.

    Population (X)
    		2000-2001
    		2001-2002
    		2002-2003
    		2003-2004
    		2004-2005
    		2005-2006
    		2006-2007
    Number of people
    		10
    		20
    		30
    		40
    		50
    		60
    		70

    Find the average number of population using step deviation method.

  • Question 7
    1 / -0

    The frequency distribution of marks in English are given in the table:

    Marks
    		50-60
    		60-70
    		70-80
    		80-90
    Number of students
    		12
    		24
    		14
    		10
    Find the mean by step deviation method.

  • Question 8
    1 / -0

    Calculate the arithmetic mean for the following birthday gifts using direct method.

    Children
    		0-12 
    		12-24
    		24-36
    		36-48
    		48-60
    Birthday gifts
    		3
    		5
    		7
    		9
    		11

  • Question 9
    1 / -0

    Find the arithmetic mean using step deviation method for the following. The data shows distance covered by $$40$$ passengers to perform their work. (Round off your answer to the nearest whole number).

    Distance (km)
    		1-5
    		5-9
    		9-13
    		13-17
    		17-21
    		21-25
    		25-29
    Number of passengers
    		2
    		4
    		6
    		8
    		10
    		5
    		5

  • Question 10
    1 / -0

    Calculate the mean for the following data using step deviation method:

    Class interval (X)
    		0-10
    		10-20
    		20-30
    		30-40
    		40-50
    		50-60
    		60-70
    Frequency
    		15
    		10
    		15
    		20
    		25
    		30
    		35
    Round off your answer to the nearest whole number.

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