A statistical significance of < 0.05 indicates:
A statistical significance of < 0.05 indicates: A. That there is a less than 1 in...
Section 2: Identity the error Each of the following statements have a significant error in statistical logic. Explain the error and correct the statement. (3 points each) A) As the number of individuals in a sample from a population increases, the standard deviation of the sample decreases. B) A likelihood-based estimate of a parameter is always less accurate than a Bayesian estimate that uses the same likelihood function. C) To achieve a global significance level of 0.05 (no more than...
1. In class I frequently mention that we are less concerned with the statistical significance of regression coefficients than a typical econometric exercise. In fact I might make mention of this once a week or more. (a) (5 points) In your own words explain why this is the case. (b) (5 points) Is there a substitute for this concept of significance that takes the place of significance of regression coefficients? Explain.
You are __________ to commit a Type I error using the 0.05 level of significance than using the 0.01 level of significance. a. twice as likely b. less likely c. equally likely d. more likely
for b. the p-value is (less than 0.01, between 0.01 and 0.025, between 0.025 and 0.05, between 0.05 and 0.10, or greater than 0.10), we (Reject, Accept) H0 for c. the p-value is (less than 0.01, between 0.01 and 0.025, between 0.025 and 0.05, between 0.05 and 0.10, or greater than 0.10), we (Reject, Accept) H0 Check My Work (3 remaining) eBook A regression model relating 2, number of salespersons at a branch office, to y, annual sales at the...
Problem 1. The p-value for testing is 0.043 a) What decision is made using 0.05 significance level? b) Say you increase the significance level to 10. Would your decision change? Explain c) Say you decrease the significance level to .01. Would your decision change? Explain Problem 2. Assuming an equal chance of a new baby being a boy or a girl, what is the probability that more than 60 out of the next 100 births at a local hospital will...
Conduct a statistical test at a significance level of 0.05 to determine if there is an association between gender and movie preference. The chart of observed counts has been re-copied here for convenience. Male Female Total Action 52 24 76 Drama 32 32 64 Comedy 20 16 36 Animated 16 8 24 Total 120 80 200 Answer in the blanks to show the work associated with exploring this claim. Blank #1: The statistical test to determine whether there is an...
(3 points) When one changes the significance level of a hypothesis test from 0.10 to 0.05, which of the following will happen? Check all that apply. A. The chance of committing a Type I error changes from 0.10 to 0.05. B. The test becomes more stringent to reject the null hypothesis (i.e., it becomes harder to reject the null hypothesis). C. The chance that the null hypothesis is true changes from 0.10 to 0.05. D. It becomes easier to prove...
Conduct a statistical test at a significance level of 0.05 to determine if there is an association between gender and movie preference. The chart of observed counts has been re-copied here for convenience. Male Female Total Action 52 24 76 Drama 32 32 64 Comedy 20 16 36 Animated 16 8 24 Total 120 80 200 Answer in the blanks to show the work associated with exploring this claim. Blank #1: The statistical test to determine whether there is an...
Get a sample of 40 students from college at 0.05 level of significance test the claim less than 25% of students drive black cars. Show calculation p value test statistic critical value
1.1.15 Question Hep * Determine whether the results appear to have statistical significance, and also determine whether the results appear to have practical significance In a sd of der selection method usedto incease the iing bon a git, 2016 users of the method gave birth 1 94 boys and 1032 grts. There is about a 15% chance of getting that many gits if the method had no efect couples would ikely use a Because there is a 15% chance of...