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Statistics Test...

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  • Question 1
    1 / -0

    If the upper and the lower limits of a class interval are $$16$$ and $$10$$, the class-interval is?

  • Question 2
    1 / -0

    Which class-interval has the minimum frequency ?

  • Question 3
    1 / -0

    What is the mean of first 8 whole numbers?

  • Question 4
    1 / -0

    If $$25$$ is the arithmetic mean of $$ X$$ and $$46,$$ then find $$X.$$

  • Question 5
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    If the range of $$14, 12, 17, 18, 16, x$$ is $$20$$ and $$x>0$$, the value of $$x$$ is:

  • Question 6
    1 / -0

    Following are the marks obtained by 30 students in an examination :

    15
    16
    44
    27
      7
    37
    		20
    17
    47
    25
    11
    47
    		8
    20
    38
    28
    21
    23
    		9
    24
    36
    30
    31
    20
    		10
    30
    40
    19
    41
    17
    Taking class intervals 0-10, 10-20, ..................., 40-50, construct a frequency table.

  • Question 7
    1 / -0

    In the following distribution :

    Monthly income range (in Rs.)
    		Number of families
    Income more than Rs. $$10000$$        
    		$$100$$
    Income more than Rs. $$13000$$$$85$$
    Income more than Rs. $$16000$$
    		$$69$$
    Income more than Rs. $$19000$$
    		$$50$$
    Income more than Rs. $$22000$$
    		$$33$$
    Income more than Rs. $$25000$$
    		$$15$$
    The numbers of families having income range (in Rs) $$16000 - 19000$$ is:

  • Question 8
    1 / -0

    The upper-class limit of 24 - 30 is?

  • Question 9
    1 / -0

    The mean of first five prime numbers is

  • Question 10
    1 / -0

    Directions For Questions

    Answer the question based on the below frequency table:
    Ages
    		No. of students
    Below $$4$$
    		$$0$$
    Below $$7$$
    		$$85$$
    Below $$10$$
    		$$140$$
    Below $$13$$
    		$$243$$
    Below $$16$$
    		$$300$$

    ...view full instructions

    State the number of students in the age group $$10 - 13.$$

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