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Definition of Correlation
According to prof, king correlation means that between two series or group of data there exists some casual connection prof, king has also explained, If it is proved true that in a large number of instances two variables tend always to fluctuate in the same or in opposite direction, we consider that the fact is established that a relationship exists. This relationship is called correlation.
According to Boddington, Whenever some definite connections exist between the two or more group. Classes or series of data, there is said to be correlation.
E . Davenport has expressed his views as, the whole subject of correlation refers to the inter relation between separate character by which they tend in some degree, at least, to move together. Thus two or more variables are said to be correlated if the change in one variable result or associated with a corresponding changes in other variable.
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The amounts of money won by the top ten finishers in a famous car race are listed below. $1,172,246 $163,659 $440,584 $350,634 $290,596 $186,731 $145,809 $143,2
Geometric Mean is defined as the n th root of the product of numbers to be averaged. The geometric mean of numbers X 1 , X 2 , X 3 .....X n is given as
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Consider three stocks A, B and C costing $100 each. The annual returns on the three stocks have mean $5 and variance $10. a. Suppose that the returns on the three stocks are i.i
A.The coupon rate of Erie-Chicago Rail is 7%. The interest rate of Florida municipal bond with equal risk is 6%. At what tax rate the two bonds are as good as each other B.Supp
Old Faithful Geyser in Yellowstone National Park derives its names and fame from the regularity (and beauty) of its eruptions. Rangers usually post the predicted times of eruptions
First Moment of Dispersion or Mean Deviation Mean deviation or the average deviation is the measure if dispersion which is based upon all the items in a variable .It is the a
A medical researcher has 100 bone cancer patients in a study. Every patient's condition is one of six types, type \A" to type \F". The 100 patients split as follows: x There
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