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1. Which of the following statements about hypotheses is false?A. If the null hypothesis is rejected we conclude that the variables are not related.B. Researchers always test the null hypothesis.C. The alternative hypothesis states that there is a relationship between variables.D. A null hypothesis refers to a population parameter.2. If a person visits a coffee shop for buying coffee the size of the coffee cup he buys is a function of the time of the day he makes the purchase. In this case the null hypothesis can be stated as:A. the person buying the coffee is independent of the size of the coffee cup.B. the size of the coffee cup purchased does not depend on the time when the purchase is made.C. the size of the coffee cup purchased depends on the time when the purchase is made.D. the earlier in the day the purchase is made the bigger the size of the coffee cup purchased.3. A null hypothesis is notated as:A. H0.B. H1.C. N0.D. N1.4. A parameter is:A. the true value of the null hypothesis.B. the true value of a variable.C. an estimate of a variable as determined through a sample.D. is an estimate of the population parameter.

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