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In hypothesis testing we must balance the 2 types of errors, Type I and Type II. This is not unlike what happens in a jury trial. This week we will discuss the similarities and differences between hypothesis testing and the trial of a defendant. Here are some suggestions of ideas you might discuss: how difficult is it to balance the two types of errors? how is a null hypothesis similar to the assumption of innocence in a jury trial? Is it possible to prove a hypothesis true or false? Is it possible to prove innocence or guilt? What about the burden of proof?
A fair die is thrown 10 times. What is the probability of getting 6 in 4 throws?
Regression and Correlation Methods: Correlation, ANOVA, and Least Squares - Calculate a one-way ANOVA to test the null hypothesis that the mean of each group is the same.
We are studying hypothesis testing. My instructor asked: Once the p-value is determined, how do you decide whether or not your evidence is strong enough? In other words, what is your criteria for rejecting the null hypothesis?
A survey of 50 lobster fishermen on Funafuti (an island in Tuvalu), found that they catch an average of 32 pounds of lobster per day with a standard deviation of four pounds.a) If a fisherman is selected randomly, what is the probability that hi..
A manufacturing process produces semiconductor chips with a known failure rate of .If a random sample of chips is selected, approximate the probability that at most will be defective.Use the normal approximation to the binomial with a correction for ..
1. One sample has SS=100 and a second sample has SS=124.a. If n=8 for both samples, find each of the sample variances, and calculate the pooled variance. Because the samples are the same size, you should find that the pooled variance is exactly halfw..
The variance of each of the following sets of scores
Know the proper format for a Null Hypothesis. Know the proper format for an Alternative Hypothesis. Know how to state a Null and Alternative Hypothesis for business situations. Know the definition of a Type I error. Know the definition of a Typ..
Test the claim that with garlic treatment, the mean change in LDL cholesterol is greater than 0. What do the results suggest about the effectiveness of the garlic treatment?
Consider a class in which there are 40 students enrolled. (In what follows, ignore February 29th)John is a student in this class. What is the probability that at least one other student in the class has John's birthday (Day and month, but not necessa..
Test the Administration's claim
Using the scenario and two variables your learning team developed for the Week 2 Business Research Project Part 1 assignment, create a paper of no more than 700 words in which the goal is to submit a random sampling plan in such detail that ano..
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