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Statistics Test...

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  • Question 1
    1 / -0

    What is the modal class for the following distributions?

    Class interval
    		$$22-33$$
    		$$33-44$$
    		$$44-55$$
    		$$55-66$$
    		$$66-77$$
    		$$77-88$$
    		$$88-99$$
    Frequency
    		$$23$$
    		$$45$$
    		$$67$$
    		$$89$$
    		$$100$$
    		$$123$$
    		$$20$$

  • Question 2
    1 / -0

    The marks scored by $$20$$ students in exam are given below$$:$$ Find the median.

    Marks
    		$$50$$
    		$$60$$
    		$$70$$
    		$$80$$
    Students
    		$$1$$
    		$$2$$
    		$$3$$
    		$$4$$

  • Question 3
    1 / -0

     Number of employees2  5 6 7 8
     Daily wedges 500 750200  400 600
    Estimate the mean of the following data 

  • Question 4
    1 / -0

    The following table shows the scores of a group of $$20$$ football players. Identify the modal class.

    Scores
    		$$7-14$$
    		$$14-21$$
    		$$21-28$$
    		$$28-35$$
    		$$35-42$$
    Football players
    		$$30$$
    		$$40$$
    		$$20$$
    		$$60$$
    		$$10$$

  • Question 5
    1 / -0

    For the following table identify the modal class:

    Length
    		$$6-12$$
    		$$12-18$$
    		$$18-24$$
    		$$24-30$$
    		$$30-36$$
    		$$36-42$$
    		$$42-48$$
    Frequency
    		$$100$$
    		$$234$$
    		$$450$$
    		$$342$$
    		$$540$$
    		$$289$$
    		$$265$$

  • Question 6
    1 / -0

    The mean of first 10 natural numbers is

  • Question 7
    1 / -0

    Consider the data: $$2, 3, 2, 4, 5, 6, 4, 2, 3, 3, 7, 8, 2, 2$$. The frequency of $$2$$ is _____

  • Question 8
    1 / -0

    The mean of 20 items of a data is 5 and if each item is multiplied by 3 then the mean will be

  • Question 9
    1 / -0

    Find the median class$$:$$

    Marks
    		$$10-20$$
    		$$20-30$$
    		$$30-40$$
    		$$40-50$$
    		$$50-60$$
    Number of students
    		$$12$$
    		$$35$$
    		$$15$$
    		$$25$$
    		$$13$$

  • Question 10
    1 / -0

    Calculate the mode for the following data$$:$$

    Distance(km)$$11$$$$21$$$$31$$$$41$$$$51$$
    Number of persons$$4$$$$6$$$$10$$$$20$$$$18$$

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