0.33 A student calculated the values of mean and standard deviation of 25 observations as 20 and 4 respectively. It was later discovered at the time of checking that he had copied two values as 7 and 18 while the correct values were 13 and 17. Find the correct value of coefficient of variation. Ans. 16.68 % exe

Q: Please solve this

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Q: The sum of two times a number and twenty-two?

A: Given :   The sum of two times a number and twenty-two

Q: Solve x2+ x + 1= 0

A: The given equation is,

Q: The product of two consecutive even whole numbers is 120. The two integers are and

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Q: A two digit number is four times the sum and three times the product of its digits .Find the number

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Q: Find the number whose absolute value is 54 more than the number itself.

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Q: A two digit number is four times the sum and three times the product of it's digits .find the number

A: We can find the answer as below

Q: The product of two consecutive positive odd integers is 399. The two integers are and Enter the…

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Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.