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Self Studies

Statistics Test...

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  • Question 1
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    Directions For Questions

    $$70$$ number of student's heights are measured in cm as shown in the histogram.

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    How many students have heights less than $$220$$ cm?

  • Question 2
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    The histogram shows that the level of diabetic (in mg per dl) of $$105$$ children. How many children have a level of diabetic between $$60-80$$?

  • Question 3
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    The histogram shows that the level of diabetic (in mg per dl) of $$105$$ children. How many children have a level of diabetic between $$100-120$$?

  • Question 4
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    Directions For Questions

    The annual maintenance cost of a machine in a factory over a seven years period is represented in the histogram.

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    How much did the maintenance cost decreased in $$1996-1997$$ when compared to $$1997-1998$$?

  • Question 5
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    The number of hours each student of a class spends studying is $$4, 6, 5, 8, 9, 5, 7, 4$$, and $$8$$ hours. Identify the frequency polygon for the given data.

  • Question 6
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    Directions For Questions

    The histogram represents the number of children entering into a library between different times in a day.

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    How many total number of children entered into the library between $$0$$ to $$20$$ hours?

  • Question 7
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    Directions For Questions

    The annual maintenance cost of a machine in a factory over a seven years period is represented in the histogram.

    ...view full instructions

    Find the decreased maintenance cost in the year $$2000-2001$$ when compared to $$1999$$ to $$2000$$.

  • Question 8
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    Directions For Questions

    The histogram represents the number of children entering into a library between different times in a day.

    ...view full instructions

    What is the total number of children entered in to the library between $$0-30$$ hours?

  • Question 9
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    Identify the frequency polygon.

  • Question 10
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    Which one of the following graph is an example of frequency polygon?

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