Answer to Question #257861 in Statistics and Probability for zack

Question #257861

What will you add to the following data : 21.5 , 34.6 , 44.8 , 11.3 , 17.9 to get a mean exactly equal to 30.35?


1
Expert's answer
2021-11-01T10:11:18-0400

Let "x""x" is added to the given set of numbers.

21.5+34.6+44.8+11.3+17.9+x6=30.35130.1+x=182.1x=52\therefore \frac{21.5+34.6+44.8+11.3+17.9+x}{6}=30.35\\ \Rightarrow130.1+x=182.1\\ \Rightarrow x=52


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