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A dealer claims that the price of a car is $20,500. You think that's high...
Questions 12-15:A dealer claims that the price of a car is $20,500 You think that's wrong...
Questions 12-15:A dealer claims that the price of a car is $20,500 You think that's wrong so yo sample 14 similar cars and find a mean price of $19,850 with a standard deviation of $1184 Find the test statistic (t.s.) for your sample. (the formula is: 1 a)2.24 b)-2.24 c)-16 d) .16 e) none ofthese Find the critical t-score (t) for the two tailed test with α-05. , a) ±1.96 b) ±2.16 c) ±1.77 d) ±1.76 e) none of these...
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...
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...
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...
1) Select the answer with the correct choices for scenarios A and B regarding the null...
1) Select the answer with the correct choices for scenarios A and B regarding the null hypothesis (H0). Scenario A - If we have chosen an alpha (α) of .05 for a two tailed test and our Z obtained is 1.70, what decision do we make regarding the null hypothesis (H0)? Scenario B - If we have chosen an alpha (α) of .01 for a left tailed test and our Z obtained is -2.24, what decision do we make regarding...
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...
15) Find the critical value that defines the rejection region for the following hypothesis test: Is...
15) Find the critical value that defines the rejection region for the following hypothesis test: Is the average life expectancy of Americans more than 78.8 years? To test this claim, a sample of 400 Americans are studied, with an average lifespan of 79.4 years and a standard deviation of 3.9 years. Use a significance level of 0.05. A) 1.649 B) 1.645 C) 3.08 D) -1.649 E) None of the Above 16) A large software company gives job applicants a test...
15) Find the critical value that defines the rejection region for the following hypothesis test: Is...
15) Find the critical value that defines the rejection region for the following hypothesis test: Is the average life expectancy of Americans more than 78.8 years? To test this claim, a sample of 400 Americans are studied, with an average lifespan of 79.4 years and a standard deviation of 3.9 years. Use a significance level of 0.05. A) 1.649 B) 1.645 C) 3.08 D) -1.649 E) None of the Above 16) A large software company gives job applicants a test...
Questions 12-15:A dealer claims that the price of a car is $20,500 You think that's wrong so yo sample 14 similar cars and find a mean price of $19,850 with a standard deviation of $1184 Find the test statistic (t.s.) for your sample. (the formula is: 1 a)2.24 b)-2.24 c)-16 d) .16 e) none ofthese Find the critical t-score (t) for the two tailed test with α-05. , a) ±1.96 b) ±2.16 c) ±1.77 d) ±1.76 e) none of these...
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...
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...
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...
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...
15) Find the critical value that defines the rejection region for the following hypothesis test: Is the average life expectancy of Americans more than 78.8 years? To test this claim, a sample of 400 Americans are studied, with an average lifespan of 79.4 years and a standard deviation of 3.9 years. Use a significance level of 0.05. A) 1.649 B) 1.645 C) 3.08 D) -1.649 E) None of the Above 16) A large software company gives job applicants a test...
15) Find the critical value that defines the rejection region for the following hypothesis test: Is the average life expectancy of Americans more than 78.8 years? To test this claim, a sample of 400 Americans are studied, with an average lifespan of 79.4 years and a standard deviation of 3.9 years. Use a significance level of 0.05. A) 1.649 B) 1.645 C) 3.08 D) -1.649 E) None of the Above 16) A large software company gives job applicants a test...
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