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Questions 12-15:A dealer claims that the price of a car is $20,500 You think that's wrong...
#12-#15 A dealer claims that the price of a car is $20,500. You think that's high...
#12-#15
A dealer claims that the price of a car is $20,500. You think that's high so you sample 14 similar cars and find a mean price of $19,850 with a standard deviation of $1084. - e) none 1.77 d) -1.76 e) none 12. Find the test statistic (t.s.) for your sample using the formula -2.24) -16 d) .16 13. Find the critical t-score (t) for the left tailed test with a .05 and d.f.-13. 2.24 a) -1.96 b) -2.16...
sample 14 similar cars and find a mean price of $19,850 with a standard deviation of...
sample 14 similar cars and find a mean price of $19,850 with a standard deviation of $1184 12. Find the test statistic (t.s.) for your sample. (the formula is: t.) a) 2.24 b) -2.24 c 16 d) 16 e) none of these Find the critical t-score (t ) for the two tailed test with α-05. a) ±1.96 13. b) ±2.16 c) ±1.77 d) ±1.76 e) none of these 14. Find the critical t-score (te) for the two tailed test with...
Find the critical t-score (t) for the two tailed test with α-.01. a) t2.58 b) t3.01...
Find the critical t-score (t) for the two tailed test with α-.01. a) t2.58 b) t3.01 c2.62 d) 2.65 e) none of these 14. 15.Therefore, the conclusion for this hypothesis test is: a) reject Ho at a-.05 and FTR Ho at a-o1 c) reject H° at α-.01 and FTR Ho at α-05 b) reject H, at α-.05 and α-.01 d) FIR h, at α-.05 and α-,01 e) none of these after in the percentage of cans showing discoloration 16. This...
c) reject Ho at α .01 and 1 R Ho at α- d) F 1 R...
c) reject Ho at α .01 and 1 R Ho at α- d) F 1 R Ho at α-.05 and α-.01 e) none of these Question 16 0: Typically 10% o cars o fruit prepar du ingth current proces reduco oration afier 90 days. In arandom sample of 225 cans prepared with a new process, 12 show discoloration after 90 days. Perform an hypothesis test at α-.01 to de in the percentage of cans showing discoloration termine if the new...
please answer 38, thanks. 26. Given a test statistic of 2.09 paired with a crtical z-score...
please answer 38, thanks.
26. Given a test statistic of 2.09 paired with a crtical z-score of 2 33 on a one tailed test, then the conclusion fail to reject H. at α-1% b)fail to reject H,at α-5%e reject KedacceptH,ata-1% d) reject, and accept H. at a " 5% At a 95% a) e) nooc of these 27. interval, how often would we expect u to 5% 95% c)1% fall outside the inerval estimate? 28. We are allowed to use...
a. 26 Given a test statistic of 2.09 paired with a critical z-score of 233 on...
a. 26 Given a test statistic of 2.09 paired with a critical z-score of 233 on a one tailed test, then the c fail to reject at α-1% b)fail to reject Hua-5% reject and accept H. at a-5% e) noot ofthese ,reject ILndecepti,re.rs 27. At a 95% a) 1A interval, how often would we expect 95% c)1% to 28. We are allowed to use the normal distribution if d)90% e)10% ơīs known b) n-500 c α b) df c) the-test...
Given a sample of 20 students with a mean LQ. of 107 and s a) (99.55,...
Given a sample of 20 students with a mean LQ. of 107 and s a) (99.55, 114.45) b) (97.21, 116.79) c) (96.13, 117.88) 17, find the 95% CL: d) (99.04, 114.96) e) none of these In a survey of 600 people with 317 claiming they would vote yes, find and interpret the 99% CL a) we are confident that the proportion of yes voters is .5283 b) we are sure of 317 yes votes c) we know that the proportion...
oHE of these 7. In a survey of 600 people with 317 claiming they would vote...
oHE of these 7. In a survey of 600 people with 317 claiming they would vote yes, find and interpret the 9/% C.I that the proportion of yes voters is 5283 b) we are sure of 317 yes votes c) we know that the proportion of yes voters lies within (4758, .5808) d) we are 99% confident that the proportion of yes voters is .5283 e) we are 99% confident that the proportion of yes voters lies within (4758,5808) 8....
Multiple Choice: Question #1 A two tailed hypothesis test is being used to evaluate a treatment...
Multiple Choice: Question #1 A two tailed hypothesis test is being used to evaluate a treatment effect with ( a = .05). if the sample data produce a Z-score of ( z= -2.24), what is the correct decision? A. Reject the null hypothesis and conclude that the treatment has no effect B. Reject the null hypothesis and conclude that the treatment has an effect C. Fail to reject the null Hypothesis and conclude that the treatment has no effect D....
#12-#15
A dealer claims that the price of a car is $20,500. You think that's high so you sample 14 similar cars and find a mean price of $19,850 with a standard deviation of $1084. - e) none 1.77 d) -1.76 e) none 12. Find the test statistic (t.s.) for your sample using the formula -2.24) -16 d) .16 13. Find the critical t-score (t) for the left tailed test with a .05 and d.f.-13. 2.24 a) -1.96 b) -2.16...
sample 14 similar cars and find a mean price of $19,850 with a standard deviation of $1184 12. Find the test statistic (t.s.) for your sample. (the formula is: t.) a) 2.24 b) -2.24 c 16 d) 16 e) none of these Find the critical t-score (t ) for the two tailed test with α-05. a) ±1.96 13. b) ±2.16 c) ±1.77 d) ±1.76 e) none of these 14. Find the critical t-score (te) for the two tailed test with...
Find the critical t-score (t) for the two tailed test with α-.01. a) t2.58 b) t3.01 c2.62 d) 2.65 e) none of these 14. 15.Therefore, the conclusion for this hypothesis test is: a) reject Ho at a-.05 and FTR Ho at a-o1 c) reject H° at α-.01 and FTR Ho at α-05 b) reject H, at α-.05 and α-.01 d) FIR h, at α-.05 and α-,01 e) none of these after in the percentage of cans showing discoloration 16. This...
c) reject Ho at α .01 and 1 R Ho at α- d) F 1 R Ho at α-.05 and α-.01 e) none of these Question 16 0: Typically 10% o cars o fruit prepar du ingth current proces reduco oration afier 90 days. In arandom sample of 225 cans prepared with a new process, 12 show discoloration after 90 days. Perform an hypothesis test at α-.01 to de in the percentage of cans showing discoloration termine if the new...
please answer 38, thanks.
26. Given a test statistic of 2.09 paired with a crtical z-score of 2 33 on a one tailed test, then the conclusion fail to reject H. at α-1% b)fail to reject H,at α-5%e reject KedacceptH,ata-1% d) reject, and accept H. at a " 5% At a 95% a) e) nooc of these 27. interval, how often would we expect u to 5% 95% c)1% fall outside the inerval estimate? 28. We are allowed to use...
a. 26 Given a test statistic of 2.09 paired with a critical z-score of 233 on a one tailed test, then the c fail to reject at α-1% b)fail to reject Hua-5% reject and accept H. at a-5% e) noot ofthese ,reject ILndecepti,re.rs 27. At a 95% a) 1A interval, how often would we expect 95% c)1% to 28. We are allowed to use the normal distribution if d)90% e)10% ơīs known b) n-500 c α b) df c) the-test...
Given a sample of 20 students with a mean LQ. of 107 and s a) (99.55, 114.45) b) (97.21, 116.79) c) (96.13, 117.88) 17, find the 95% CL: d) (99.04, 114.96) e) none of these In a survey of 600 people with 317 claiming they would vote yes, find and interpret the 99% CL a) we are confident that the proportion of yes voters is .5283 b) we are sure of 317 yes votes c) we know that the proportion...
oHE of these 7. In a survey of 600 people with 317 claiming they would vote yes, find and interpret the 9/% C.I that the proportion of yes voters is 5283 b) we are sure of 317 yes votes c) we know that the proportion of yes voters lies within (4758, .5808) d) we are 99% confident that the proportion of yes voters is .5283 e) we are 99% confident that the proportion of yes voters lies within (4758,5808) 8....
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