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(Solved) *Please answer all questions and provide explanations. Please answer quickly.


*Please answer all questions and provide explanations. I have answered some of the questions, but please check my answers over. Please answer quickly.


Question 1) Your confidence interval is a statement about your confidence that some  parameter falls in an interval of values

True or False

Question 2) A confidence interval is an example of a point estimate

True or False

Question 3) You are 100% confident that the confidence interval includes the true population parameter

True or False

Question 4) All else held equal, decreasing variability in a population will cause the length of the confidence interval generated to increase

True or False

Question 5) The null hypothesis is the hypothesis that is tested directly

True or False

Question 6)You sample a normally distributed population.  Your sample mean is 45, your sample standard deviation is 3 and your sample size is 30.  What is the LOWER limit of the confidence interval assuming the critical value you need from the z table is 1.96.  Give your answer as XX.X

______________ (This is a calculation, Not TRUE OR FALSE)

Question 7) Depending on the statement of the original question, the equal sign may be in the null hypothesis or in the alternative hypothesis

True or False

Question 8) If your sample result match to the hypothesized value then you should accept the null hypothesis. 

True or False

Question 9) If you reject the null hypothesis, you could have made a Type 1 correct decision

True or False

Question 10) The p-value in your conclusion statement is the probability that you made a Type I error in your results.

True or False

 


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