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Correlation and Regression
CORRELATION is an important statistical concept which refers to association or interrelationship among variables.
The reasons of studying correlation is for one to be capable to establish a relationship, plan and control the inputs as independent variables and the output as dependent variables
In business one may be interested to establish whether there exists a relationship among the
i. Amount of fertilizer applied on a described farm and the resulting harvest
ii. Amount of experience one has and the corresponding performance/presentation
iii. Amount of money spent on advertisement and the expected incomes after sale of the goods or service
There are two methods which measure the degree of correlation among two variables these are denoted by R and r.
The next topic that we desire to discuss here is powers of i. Let's just take a look at what occurring while we start looking at many powers of i . i 1 = i
Let us now look at some activities that can be organised with preschoolers to develop their ability to classify. 1. You could start by giving children different materials to pla
How do you find the slope of a straight line?
A tent originally sold for $260 and has been marked down to $208. What is the percent of discount? Find out the number of dollars off. $260 - $208 = $52. Further, determine wha
8.5cm square = m square
Two angles are complementary. The calculate of one angle is four times the measure of the other. Evaluate the measure of the larger angle. a. 36° b. 72° c. 144° d. 18°
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Q. Sum and Difference Identities? Ans. These six sum and difference identities express trigonometric functions of (u ± v) as functions of u and v alone.
DEVELOPING AN UNDERSTANDING OF SUBTRACTION : The process of subtraction is the reverse of that of addition. Adding more to a collection to make it bigger is just the reverse
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