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Statistics Test - 42

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Statistics Test - 42
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Weekly Quiz Competition
  • Question 1
    1 / -0
    In the given ungrouped data $$5, 4, 3, 1, 5, 3, 2, 5, 5, 1, 5, 5,$$ the frequency of $$5$$ is equal to :
    Solution
    The frequency is the number of times a particular data point occurs in the set of data. A frequency distribution is a table that list each data point and its frequency. ... Data is often described as ungrouped or grouped. Ungrouped data is data given as indi- vidual data points.

    In this data 5 occurred 6 times.
    so, answer is 6.
  • Question 2
    1 / -0
    The frequency of the class interval $$ 3 -5$$ in the following distribution is :
    $$5, 5, 6, 4, 9, 5, 3, 2, 7, 6, 3, 8, 4$$
    Solution
      Class Interval   Frequency
     $$1-3$$ 2 1
     $$3-5$$ 3,3,4,4  4
      $$5-7$$ 5,5,5,7,7  5
      $$7-9$$ 7,8  2
      $$9-11$$ 9  1
  • Question 3
    1 / -0
    Range of the data $$6, 1, 2, 3, 9, 8, 3, 4, 8, 2, 3$$ is :
    Solution
    To find the range, first we need to order the data from least to greatest. Then we have to subtract the smallest value from the largest value in the set.
     
    1,2,2,3,3,3,4,6,8,8,9

    Then, 9-1 = 8
  • Question 4
    1 / -0
    The range is defined as :
    Solution
    The range of a set of data is the difference between the highest and lowest values in the set. To find the range, first order the data from least to greatest. Then subtract the smallest value from the largest value in the set.
  • Question 5
    1 / -0
    Rudra is looking for a hotel for a vacation. He can do this in two ways.
    1. Call prospective hotels and ask for their tariffs.
    2. Check a booking website and check the tariffs of many hotels together.

    Solution

  • Question 6
    1 / -0
    Ramya wanted to group the students in her class on the basis of height. She checked the semi-annual class records to collect this data.
    What kind of data did she collect?
  • Question 7
    1 / -0
    Ramya wanted to group the students in her class on the basis of height. For this, she asked every student their height in inches.
    What kind of data did she collect?
  • Question 8
    1 / -0
    When the information was collected by the investigator herself or himself with a definite objective in her or his mind, the data obtained is called
  • Question 9
    1 / -0
    You are asked to do a door-to-door survey in your neighborhood regarding what precautions they have taken to protect themselves from COVID-19.
    What kind of data will you collect?
    Solution

  • Question 10
    1 / -0
    On a website, each visitor has to fill a survey regarding the advertisements they usually come across on the website. 
    This type of data is
    Solution

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