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Testing the Slope
The strong point of the relationship among the dependent variable and each of the independent variables can be determined using 3 methods:
1) Correlation coefficient (r): Correlation coefficient measures the degree of association between two variables such as the cost and the activity level.2) Standard error of the slope (Sb): Correlation coefficient measures the degree of association between two variables such as the cost and the activity level.3) Z or t statistics:
If n ≥30 we use Z, if, n < 30 we use t statistics. These statistics can be used to test the hypothesis:
Ho: B = O that is, there is no relationship between X and YHA: B≠ O There is a significant relationship between X and Y
Q. Explain Phases of life cycle of a product? Every product move through a life cycle having five phases as shown in figure and they are 1) Pricing during introduction 2)
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I am part of a marketing group, and we are working on a project for a local cable company,they currently serve 3,200 customers and sell 50 wireless boxes a month,what I need to do
UNCERTAINTY OF DEMAND Demand is the most troublesome variable to predict accurately. Actually, demand may fluctuate from day to day, from week to week or from month to month. T
tell me how go about charging for your services
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