Based on a Random Sample of 25 Units of Product

question 190

Essay

Based on a random sample of 25 units of product X, the average weight is 102kg, and the sample standard deviation is 10kg. We would like to decide if there is enough evidence to establish that the average weight for the population of product X is greater than 100kg. Assume the population is normally distributed.
-What is the critical value for this test at alpha = .05?

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