1? The Student t dispersion: a. is symmetrical b. approaches the normal distribution as the degrees of freedom increase c. has a threadb ar deviation great than 1 d. has all of the above characteristics. 2?The mean of the student t distribution is: a. greater than 1 b. 0 c. the degrees of freedom d. 1 3?In a venomous trial, a Type I error is make when: a. an destitute person is convicted. b. a nefarious defendant is acquitted. c. a guilty defendant is convicted. d. an innocent person is acquitted. 4?A prof of statistics refutes the claim that the average student spends 3 hours perusing for the midterm examination exam. She thinks they spend more time than that. Which hypotheses are used to tally the claim? a. nix: µ = 3 preference: µ < 3 b. NULL: µ > 3 substitute: µ = 3 c. NULL: µ = 3 ALTERNATIVE: µ = 3 d. NULL: µ = 3 ALTERNATIVE: µ > 3 5?If an economist wishes to determine whether th ither is disallow that average family income in a community is greater than $32,000: a. all a one-tail or two-tail test could be used with solid results. b. a one-tail test should be utilized. c. a two-tail test should be utilized. d. Not sufficient information to provide a put across to the question.
6If a test of surmise has a Type I error probability of .05, this means that:  a. if the secret code surmisal is false, we preclude it 5% of the time.  b. if the null guess is false, we do not annihilate it 5% of the time.  c. if the null hypothesis is true, we  dont reject it 5% of the time.  d.!  if the null hypothesis is true, we reject it 5% of the time. 7?If we do not reject the null hypothesis, we conclude that: a. there is enough statistical evidence to educe any decision b. there is enough statistical evidence to infer that the alternative hypothesis is true. c. there is not enough statistical evidence to infer that the alternative hypothesis is true....If you want to get a just essay, order it on our website: BestEssayCheap.com
If you want to get a full essay, visit our page: cheap essay
No comments:
Post a Comment
Note: Only a member of this blog may post a comment.