Suppose a researcher examines a possible relationship in the population and the results are found to not be statistically significant. Can the researcher conclude that there was no significant relationship in the population? If yes, explain why; if no, describe how the researcher should state their conclusion regarding a possible relationship.
Question 2
Suppose a company says they deliver their packages in 2 days or less, on average, and you are concerned that the packages are taking longer to deliver than promised. You conduct a hypothesis test to help you answer this question. Which alternative hypothesis would give you the best chance of detecting an actual problem, a one-sided alternative (average time of delivering packages is greater than 2 days) or a two-sided alternative (average time delivering packages is not equal to 2 days)? Explain your answer. If both have the same chance, explain why.
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