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Q. Explain Correlation Coefficient?
Ans.
The strength of a linear correlation is determined by how precisely the y variable shifts as the x variable increases. The two pictures on the right show data with a higher correlation than those on the left.
Data is said to have a perfect correlation if all points lie exactly along a line.
The correlation coefficient, r, is a measure of the strength of the correlation. It is a number between 1 and +1. +1 indicates a perfect positive correlation and 1 indicated a perfect negative correlation. If r is positive, then there is a positive correlation between the two variables. If r is negative, there is a negative correlation between the variables.
Foster Company makes 20,000 units per year of a part it uses in the products it manufactures. The unit product cost of this part is computed as follows: Direct materials $24.70 Dir
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List down various measures of central tendency and explain the difference between them?
describe uses of energy
Income statement: Sosa Corporation recently reported an EBITDA of $31.3 million and $9.7 million of net income. The company has $6.8 million interest expense, and the corporate tax
Data for ogive graph in sectors of indian economy
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Trendline equation
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