The number of entrees purchased in a single order at a Noodles & Company restaurant has had a historical average of 1.65 entrees per order. On a particular Saturday afternoon, a random sample of 22 Noodles orders had a mean number of entrees equal to 1.7 with a standard deviation equal to 0.9. At the 1 percent level of significance, does this sample show that the average number of entrees per order was greater than expected? (a) Choose the correct null and alternative hypotheses. a. Hai P2 1.65 vs. H:p<1.65 b. Hg: US 1.65 vs. H:p >1.65 c. Ha: H = 1.65 vs. H: H# 1.65 a Oc (b-1) Calculate the t statistic. (Round your answer to 2 decimal places.) tcale (b-2) Find the p-value. (Round your answer to 4 decimal places.) p-value (c) Choose the correct conclusion. O Because the p-value is less than 0.01, we conclude that there is evidence to indicate a significant increase in the average number of entrees per order. O Because the p-value is greater than 0.01, we conclude that there is no evidence to indicate a significant increase in the average number of entrees per order.
The number of entrees purchased in a single order at a Noodles & Company restaurant has had a historical average of 1.65 entrees per order. On a particular Saturday afternoon, a random sample of 22 Noodles orders had a mean number of entrees equal to 1.7 with a standard deviation equal to 0.9. At the 1 percent level of significance, does this sample show that the average number of entrees per order was greater than expected? (a) Choose the correct null and alternative hypotheses. a. Hai P2 1.65 vs. H:p<1.65 b. Hg: US 1.65 vs. H:p >1.65 c. Ha: H = 1.65 vs. H: H# 1.65 a Oc (b-1) Calculate the t statistic. (Round your answer to 2 decimal places.) tcale (b-2) Find the p-value. (Round your answer to 4 decimal places.) p-value (c) Choose the correct conclusion. O Because the p-value is less than 0.01, we conclude that there is evidence to indicate a significant increase in the average number of entrees per order. O Because the p-value is greater than 0.01, we conclude that there is no evidence to indicate a significant increase in the average number of entrees per order.
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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![The number of entrees purchased in a single order at a Noodles & Company restaurant has had a historical average of 1.65 entrees
per order. On a particular Saturday afternoon, a random sample of 22 Noodles orders had a mean number of entrees equal to 1.7 with
a standard deviation equal to 0.9. At the 1 percent level of significance, does this sample show that the average number of entrees per
order was greater than expected?
(a) Choose the correct null and alternative hypotheses.
a. Hg: P2 1.65 vs. H: p<1.65
b. Hg: Us 1.65 vs. H: >1.65
c. Hạ: H = 1.65 vs. H: u# 1.65
O a
Ob
Oc
(b-1) Calculate the tstatistic. (Round your answer to 2 decimal places.)
tcale
(b-2) Find the p-value. (Round your answer to 4 decimal places.)
p-value
(c) Choose the correct conclusion.
O Because the p-value is less than 0.01, we conclude that there is evidence to indicate a significant increase in the average
number of entrees per order.
O Because the p-value is greater than 0.01, we conclude that there is no evidence to indicate a significant increase in the
average number of entrees per order.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F49d0e03d-e392-493f-9650-21c784bb60b1%2Fcae419c1-9fd4-4805-b66d-bb267b048b05%2Fhq9vsip_processed.jpeg&w=3840&q=75)
Transcribed Image Text:The number of entrees purchased in a single order at a Noodles & Company restaurant has had a historical average of 1.65 entrees
per order. On a particular Saturday afternoon, a random sample of 22 Noodles orders had a mean number of entrees equal to 1.7 with
a standard deviation equal to 0.9. At the 1 percent level of significance, does this sample show that the average number of entrees per
order was greater than expected?
(a) Choose the correct null and alternative hypotheses.
a. Hg: P2 1.65 vs. H: p<1.65
b. Hg: Us 1.65 vs. H: >1.65
c. Hạ: H = 1.65 vs. H: u# 1.65
O a
Ob
Oc
(b-1) Calculate the tstatistic. (Round your answer to 2 decimal places.)
tcale
(b-2) Find the p-value. (Round your answer to 4 decimal places.)
p-value
(c) Choose the correct conclusion.
O Because the p-value is less than 0.01, we conclude that there is evidence to indicate a significant increase in the average
number of entrees per order.
O Because the p-value is greater than 0.01, we conclude that there is no evidence to indicate a significant increase in the
average number of entrees per order.
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