Explain the differences between a null hypothesis and an alternative hypothesis.
What will be an ideal response?
In hypothesis development, a null hypothesis states that there is no relationship between the variables. The null hypothesis is the one that is always tested by statisticians and market researchers. Another hypothesis, called an alternative hypothesis, states that there is a relationship between two variables. If the null hypothesis is accepted, one can conclude that the variables are not related. If the null hypothesis is rejected, one finds support for the alternative hypothesis, that the two variables are related.
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Which of the following is not used as a caption if there is nothing to report?
A) income from continuing operations B) results from discontinued operations C) interest expense D) income taxes
The Dividends account normally has a debit balance.
Answer the following statement true (T) or false (F)
In the ________ stage of the retail life cycle, the retailer often is an aggressive entrepreneur who takes a unique approach to doing business by creating a differential advantage, such as competing on the basis of low price, offering a distinctive
assortment, or using a different way to distribute products. A) expansion B) introduction C) extension D) maturity E) growth
What is the probability that no machine is being fixed?
In a factory, machines breakdown at an average of 6 machines per hour according to a Poisson distribution. The time a repair person takes to repair the machine is not defined by any probability distribution, but has a mean of 8 minutes and a standard deviation of 3 minutes.