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Combined Mean And Standard Deviation
Occasionally we may need to combine 2 or more samples say A and B. Therefore it is essential to identify the new mean and the new standard deviation of the combination of the samples.
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what is the difference between North America''s part of the total population and Africa''s part
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The Central Limit Theorem The theories was introduced by De Moivre and according to it; if we choose a large number of simple random samples, says from any population and find
Solve out each of the following equations. 3( x + 5)= 2 ( -6 - x ) - 2x Solution In the given problems we will explained in detail the first problem and t
Find the area of shaded region of circle of radius =7cm, if ∠AOB=70 o , ∠COD=50 o and ∠EOF=60 o . (Ans:77cm 2 ) Ans: Ar( Sector AOB + Sector COD + Sector OEF) = 7
2.When investigating times required for drive-through service, the following results (in seconds) were obtained. Find the range, variance, and standard deviation for each of the tw
A card is chosen at random from a pack of playing cards.what is d probability that it is either a heart or the queen of spades
Find the solution to the following system of equations using substitution:
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