Independent-measures t test and the hypotheses
1. Describe the data that are collected for an independent-measures t test and the hypotheses the test evaluates.
2. Briefly explain advantages and disadvantages of using repeater-,easures design as apposed to an indepedent-measures design.
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Three technicians in a chemical plant are given the task of investigating the chamical yield of a raw material by applying one of five experimental treatments. Three responses are to be observed for each treatment.
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The final scores of NFL games were compared against the final points spreads and the difference between the game outcome and point spread (called a point-spread error) was calculated for 240 NFL games and the mean and standard deviation of the dif
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Find a 90% confidence interval for the true variance visible albedo value of all Canadian Arctic ice ponds in column L to T. What is the interpretation of the intervals gotten in (b) and (c)?
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