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Statistics Test...

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  • Question 1
    1 / -0

    What is the mean of the following frequency distribution ?

    x578912
    y21543

  • Question 2
    1 / -0

    If mean of given data is 12 then value of p is 

    x48p1620
    f531254

  • Question 3
    1 / -0

    The median of the data 30, 25, 27, 29, 35, 38, 28 is _______.

  • Question 4
    1 / -0

    The height of 3030 boys of a class are given in the following table

    Height in cmfrequency
    120129120 - 12922
    130139130 - 13988
    140149140 - 1491010
    150159150 - 15977
    160169160 - 16933
    If by joining of a boy of height 140140 cm, the median of the heights is changed from M1M_1 to M2M_2, then M1M2M_1- M_2 in cm is

  • Question 5
    1 / -0

    x5101571318
    f12810141014
    The median of the above data is 

  • Question 6
    1 / -0

    The height of 30 boys of a class are given in the following table

    Height in cmFrequency
    120-1292
    130-1398
    140-14910
    150-1597
    160-1693
    If by joining of a boy of height 140 cm, the median of the heights is changed from M1M_1 to M2M_2, then M1M2M_1-M_2 in cm is

  • Question 7
    1 / -0

    Find the arithmetic mean for the given data:


    MarksNo. of students
    0100-1055
    102010-201010
    203020-302525
    304030-403030
    405040-502020
    506050-601010

  • Question 8
    1 / -0

    For the following distribution:
    Mark less than   10   20   30   40   50   60
    No. of students    3   12   27   57   75   80
    The modal class is

  • Question 9
    1 / -0

    Find the mean of the following frequency distribution.

    x10153025422111
    f5264382

  • Question 10
    1 / -0

    Consider the data: 2,x,3,4,5,2,4,6,42, x, 3, 4, 5, 2, 4, 6, 4 where x>2x >2
    The mode of the data is _____

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