00HITRofofIt takes an average of 13.2 minutes for blood to begin clotting after an injury. An EMT wants to see if theaverage will change if the patient is immediately told the truth about the injury. The EMT randomly selected70 injured patients to immediately tell the truth about the injury and noticed that they averaged 13.4 minutesfor their blood to begin clotting after their injury. Their standard deviation was 3.52 minutes. What can beconcluded at the the a = 0.10 level of significance?%3Da. For this study, we should useSelect an answerb. The null and alternative hypotheses would be:Select an answer OSelect an answerC. The test statistic ? 0 is 0.475. Enter it here(please show your answer to 3 decimal places.)d. The p-value is 0.6360211626. Enter it here(Please show your answer to 4 decimal places.)e. The p-value is ? af. Based on this, we should Select an answer the null hypothesis.g. Thus, the final conclusion is thatO The data suggest the population mean is not significantly different from 13.2 at a = 0.10, sothere is statistically significant evidence to conclude that the population mean time for blood tobegin clotting after an injury if the patient is told the truth immediately is egual to 13.2.MacBook Pro世2$4.&3.5)7.G.K.

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Answered: It takes an average of 13.2 minutes for…

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 scores on a standardized test are normally distributed with a mean of 120 and standard deviation of 20. What test score is 0.9 standard deviations above the mean?
Dr. Shoals predicts that people who walk a mile in moderately high heels and very high heels will differ in their levels of reported back pain. 27 participants walk in 4-inch heels and then 2.5-inch heels. He calculates the standard deviation of the difference scores and finds sD = 3.37. What is the standard error of the difference for difference scores?
The average age of senators in the 108th Congress was 62 years. If the standard deviation was 12.5 years, find the z-scores corresponding to the oldest and youngest senators of age 86 and 46. Round z scores to two decimal places.
The average triglyceride level of adult males is 126 milligrams per deciliter. You want to determine whether the true mean male triglyceride level is more than the average. You decide to pull a random sample of eight adult males and measure their triglyceride level. You find the sample mean is 127.9 milligrams per deciliter and the standard deviation is 4.12 milligrams per deciliter. What are the test statistic and the p-value? O The test statistic is 1.9 and the p-value is 0.1174. O The test statistic is 0.1174 and the p-value is 1.9. O The test statistic is 1.46 and the p-value is 1.30. O The test statistic is 0.1174 and the p-value is 1.30. O The test statistic is 1.30 and the p-value is 0.1167.
State two ways the standard deviation differs from the average deviation.
The difference in the population means divided by the population standard deviation of a study is the blank?
Consider the following data. Group 1 Group 2 Group 3 Men 38 50 71 Women 6 49 29 Given below is the conditional data distribution in each of the groups given that the person was male. Group 1 Group 2 Group 3 Total 24% 31% 45% 100% Create the conditional data distribution in each of the groups given that the person was female. (Round your answers to the nearest integer.) Group 1 Group 2 Group 3 Total % % % % Is there a difference in the distribution of responses for men and women? O The proportions for all three groups are much higher for men than they are for women. O There are no noticeably large differences in the distribution of responses for men and women. O The proportion for group 1 is much lower for women than it is for men while the proportion for group 2 is much lower for men than it is for women. The proportions for all three groups are much higher for women than they are for men. O The proportion for group 2 is much higher for women than it is for men while the proportion for…
It takes an average of 9.1 minutes for blood to begin clotting after an injury. An EMT wants to see if the average will decline if the patient is immediately told the truth about the injury. The EMT randomly selected 49 injured patients to immediately tell the truth about the injury and noticed that they averaged 8 minutes for their blood to begin clotting after their injury. Their standard deviation was 3.31 minutes. What can be concluded at the the a = 0.05 level of significance? a. For this study, we should use Select an answer b. The null and alternative hypotheses would be: Hint: Ho: ? H₁: ? Select an answer Select an answer C c. The test statistic? is -2.326. Enter it here d. The p-value is 0.0121364015. Enter it here e. The p-value is ? a f. Based on this, we should Select an answer the null hypothesis. g. Thus, the final conclusion is that ... (please show your answer to 3 decimal places.) (Please show your answer to 4 decimal places.) The data suggest the populaton mean is…
The scores on a standardized test are normally distributed with a mean of 95 and standard deviation of 25. What test score is 0.3 standard deviations below the mean?
It takes an average of 12.8 minutes for blood to begin clotting after an injury. An EMT wants to see if the average will change if the patient is immediately told the truth about the injury. The EMT randomly selected 51 injured patients to immediately tell the truth about the injury and noticed that they averaged 14.1 minutes for their blood to begin clotting after their injury. Their standard deviation was 4.48 minutes. What can be concluded at the the a = 0.01 level of significance? a. For this study, we should use Select an answer b. The null and alternative hypotheses would be: Ho: ? v Select an answer V Hj: ? v Select an answer V c. The test statistic ? v = (please show your answer to 3 decimal places.) d. The p-value = (Please show your answer to 4 decimal places.) e. The p-value is ? va f. Based on this, we should Select an answer v the null hypothesis. g. Thus, the final conclusion is that ... O The data suggest the populaton mean is significantly different from 12.8 at a =…
The distribution for the time a patient of a medical center spends waiting for an appointment is normal with mean of 35 minutes and standard deviation of 12 minutes. What proportion of patients will wait more than 47 minutes for an appointment?

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