Self Studies

Data Handling T...

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  • Question 1
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    The mean of 5 numbers is 20. If one number is excluded, mean of the remaining numbers becomes 23, then the excluded number is ____. 

  • Question 2
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    The average weight of a sample of 10 apples is 52g. Later it was found that the weighing machine had shown the weight of each apple 10g less. What is the correct average weight of an apple?

  • Question 3
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    Which of the following statements is INCORRECT?

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