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Measures of Cen...

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  • Question 1
    1 / -0

    Find the median of:
    $$233,173,189,208,194,204,194,185,200$$ and $$220$$

  • Question 2
    1 / -0

    Find the median of:
    $$241,243,347,350,327,299,261,292,271,258$$ and $$257$$

  • Question 3
    1 / -0

    Frequency distribution of duration of $$500$$ telephone calls received at a telephone exchange on a certain day is given below :

    Duration of call (in sec.)15 - 2930 - 4445 - 5960 - 7475 - 8990 - 104105 - 119120 - 134
    No. of calls8126115319057109
    Find mean duration of telephone call received at the telephone exchange.

  • Question 4
    1 / -0

    The median of $$63,17,50,9,25,43,21,50,14$$ and $$34$$ is 29.5

  • Question 5
    1 / -0

    Find the arithmetic mean for the following grouped frequency distribution:

    Class-intervals
    		$$6-10$$
    		$$10-14$$
    		$$14-18$$
    		$$18-22$$
    		 $$22-26$$
    		 $$26-30$$
    Frequency
    		 $$ 4$$
    		  $$ 6$$
    		  $$9$$
    		  $$ 12$$
    		   $$ 7 $$
    		   $$2$$

  • Question 6
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    A study related to the time(in months) taken to settle a dispute in a lower court resulted the following data.

    Time (in months)$$0 - 2$$$$2 - 4$$$$4 - 6$$$$6 - 8$$$$8 - 10$$$$10 - 12$$
    No. of persons$$15$$$$90$$$$120$$$$75$$$$70$$$$50$$
    Find the meantime taken to settle a dispute in a lower court.

  • Question 7
    1 / -0

    Median of a data set is a number which has an equal number of observations below and above it. The median of the data $$1, 9, 4, 3, 7, 6, 8, 8, 12, 15$$ is

  • Question 8
    1 / -0

    Find the median of  63, 17, 50, 9, 25, 43, 21, 50, 14 $$ and\ 34$$

  • Question 9
    1 / -0

    The monthly salaries (in Rs.) of $$10$$ employees of a factory are: $$12000,8500,9200,7400,11300,12700,7800,11500,10320,8100$$. The median salary is:

  • Question 10
    1 / -0

    Frequency distribution of distance travelled in kms. per liter of petrol by different mopeds is given below.

    Distance travelled (in km/lit)62 - 6565 - 6868 - 7171 - 7474 - 7777 - 8080 - 83
    No.of mopeds58122835102
    Find mean distance travelled per liter of petrol by a moped.

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