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You have determined that your cutoff value at a level a=0.05 is 1.645 when testing whether the mean of a population is significantly different from 1.5. if you calculate a test statistic of 1.8 what is the proper conclusion?

a. you reject h(o)

b. you would need to calculate the confidence interval to determine significance

c. you do not reject h(0)

d. you would need to calculate the p-value to determine the significance

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Statistics and Probability, Statistics

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