Self Studies

Statistics Test...

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  • Question 1
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    Directions For Questions

    The histogram shows the number of music directors and the number of songs they complete in a year.

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    Find the number of songs made during the interval $$5-6$$.

  • Question 2
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    Directions For Questions

    Judah recorded the number of football tickets collected by his friends, on the histogram.

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    In which frequency the number of tickets were same?

  • Question 3
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    Judah recorded the number of football tickets collected by his friends, on the histogram.

    What is the total number of tickets collected by Judah between the interval $$8-10$$?

  • Question 4
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    $$12-n, 12, 12+n$$
    What is the average (arithmetic mean) of the $$3$$ quantities in the list above?

  • Question 5
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    Find the average of the expressions $$2x+4, 5x-1$$ and $$-x+3$$.

  • Question 6
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    In the graph you can find the takings of a chocolate bar for $$8$$ months. Answer the following question:

    In which two months, $$40000$$ chocolate bars are taken out?

  • Question 7
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    The mean of $$a, b, c, d$$ and $$e$$ is $$28$$. If the mean of $$a, c$$ and $$e$$ is $$24$$, what is the mean of $$b$$ and $$d$$?

  • Question 8
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    Directions For Questions

    Study the following table and answer the questions based on it.
    Number of Candidates Appeared, Qualified and Selected in a Competitive Examination from Five States Delhi, H.P, U.P, Punjab and Haryana Over the Years $$1994$$ to $$1998$$
    DelhiH.P.U.PPunjabHaryana
    YearAppQualSelAppQualSelAppQualSelAppQualSelAppQualSel
    $$1997$$$$8000$$$$850$$$$94$$$$7800$$$$810$$$$82$$$$7500$$$$720$$$$79$$$$8200$$$$680$$$$85$$$$6400$$$$700$$$$75$$
    $$1998$$$$4800$$$$500$$$$48$$$$7500$$$$800$$$$65$$$$5600$$$$620$$$$85$$$$6800$$$$600$$$$70$$$$7100$$$$650$$$$75$$
    $$1999$$$$7500$$$$640$$$$82$$$$7400$$$$560$$$$70$$$$4800$$$$400$$$$48$$$$6500$$$$525$$$$65$$$$5200$$$$350$$$$55$$
    $$2000$$$$9500$$$$850$$$$90$$$$8800$$$$920$$$$86$$$$7000$$$$650$$$$70$$$$7800$$$$720$$$$84$$$$6400$$$$540$$$$60$$
    $$2001$$$$9000$$$$800$$$$70$$$$7200$$$$850$$$$75$$$$8500$$$$950$$$$80$$$$5700$$$$485$$$$60$$$$4500$$$$600$$$$75$$

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    For which state the average number of candidates selected over the years is the maximum?

  • Question 9
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    The librarian at the public library counted the number of books on each shelf. The highest number of books contained by any of the self is:

  • Question 10
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    A factory kept track of the number of broken plates per shipment last month. Which range of broken plates per shipment occurred more frequently?

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