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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.
If you have 60% alcohol and wish to dilute with water to make 12 liters 40% alcohol, How many liters of water should you add?
What are the Input and Output of Marketing
What was the US's policy towards Latin America during the 20th century? What were the motives behind this policy? Give one example of the US executing this policy?
Find the probability of having 53 Sundays in (i) a leap year (ii) a non leap year (Ans:2/7 , 1/7 ) Ans: An ordinary year has 365 da
ne nje tabak letre me permasa 100cm dhe 55cm nje nxenes duhet te ndertoje nje kuboide me permasa 20cm,25cm,40cm. a mund ta realizoje kete, ne qofte se per prerjet dhe ngjitjet humb
if the diametre of the cylinder is 3.6 foot and its length is4.6foot,then its dimension is?
Example Find the Highest Common Factor of 54, 72 and 150. First we consider 54 and 72. The HCF for these two quantities is calculated as follows:
algorithm and numerical examples of least cost method
For the pair of supply-and-demand equations, where x represents the quantity demanded in units of 1000 and p is the unit price in dollars, find the equilibrium quantity and the equ
F(x)=2x+3
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