H.:µ = 62.5 Ha:u > 62.5 %3D You believe the population is normally distributed, but you do not know the standard deviation. You obtain the following sample of data: data 67.6 80.2 74.4 66.3 What is the test statistic for this sample? (Report answer accurate to three decimal places.) test statistic What is the p-value for this sample? (Report answer accurate to four decimal places.) p-value The p-value is... O less than (or equal to) a O greater than o

H.:µ = 62.5 Ha:u > 62.5 %3D You believe the population is normally distributed, but you do not know the standard deviation. You obtain the following sample of data: data 67.6 80.2 74.4 66.3 What is the test statistic for this sample? (Report answer accurate to three decimal places.) test statistic What is the p-value for this sample? (Report answer accurate to four decimal places.) p-value The p-value is... O less than (or equal to) a O greater than o

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 director of research and development is testing a new medicine. She wants to know if there is evidence at the 0.05 level that the medicine relieves pain in more than 399 seconds. For a sample of 10 patients, the mean time in which the medicine relieved pain was 406 seconds with a standard deviation of 18. Assume the population distribution is approximately normal. Step 2 of 5: Find the value of the test statistic. Round your answer to three decimal places. m Tables Keypad
Cereals sodium values have a mean of 167 and a standard deviation of 77.3. Find the z-score for the cereal that has a sodium value of 0. How would you interpret this z-score?
3.3
This data is from a sample. Calculate the mean, standard deviation, and coefficient of variation. 18.1 19.6 13.2 31.4 14.1 45 10.2 35.4 36.5 Please show the following answers to 2 decimal places. Mean = Standard Deviation= % (Please enter a whole number.) %3D Coefficient of Variation
pls answer 1-3 in paper
Calcium levels in people are normally distributed with a mean of 9.3 mg and a standard deviation of 0.5 mg Individuals with calcium levels in the bottom dL TP 15% of the population are considered to have low calcium levels. Find the calcium level that is the borderline between low calcium levels and those not considered low. Carry your intermediate computations to at least four decimal places. Round your answer to one decimal place. mg dL Continue acer esc & 24 % 8. @ 6 3 4 r
Assume that the two samples are independent simple random samples selected from normally distributed populations. Do not assume that the population standard deviations are equal. Refer to the accompanying data set. Use a 0.01 significance level to test the claim that women and men have the same mean diastolic blood pressure. E Click the icon to view the data for diastolic blood pressure for men and women. O A. H H=H H: H >2 O B. H H <2 H =2 O P. H H =2 H 2 OC. H: HHz Calculate the test statistic. t= (Round to two decimal places as needed.) Find the P-value. P-value = (Round three decimal places as needed.) Make a conclusion about the null hypothesis and a final conclusion that addresses the original claim. H. There V sufficient evidence to warrant rejection of the claim that women and men have the same mean diastolic blood pressure. Reject nswer(s) Fail to reject Show All a Persuasive Spee.doc a PersuasiveSpch.doc a SamplePPTforP.pptx a Persuasive Spe.docx stv MacBook Air 888 FA esc F1…
Adult men have heights with a mean of 69.0 inches and a standard deviation of 2.8 inches. Find the height of a man with a z-score of 3.2 (to 2 decimal places) Question Help: Submit Question Video
Dataset Available: Download Houston.xlsx You may need to use the appropriate appendix table or technology to answer this question. Data were collected on the amount spent by 64 customers for lunch at a major Houston restaurant. These data are contained in the file Houston. Based upon past studies the population standard deviation is known with a = $6. 20.50 14.63 23.77 29.96 28.87 15.78 18.16. 12.16 18.89 19.88 23.11 20.11 20.34 27.49 36.55 21.18 19.22 34.13 25.53 27.71 33.81 21.79 29.49 32.70 9.20 20.89 11.22 16.43 17.66 9.59 Need Help? Read It 19.16 26.35 20.01 26.85 13.63 17.22 13.17 20.12 22.11 22.47 20.36 35.47 11.85 17.88 6.83 30.99 18.38 26.85 25.10 20.08 30.36 21.79 14.62 Watch It 18.37 32.27 12.63 27.55 25.87 14.37 15.61 26.46 24.24 16.66 20.85 (a) At 99% confidence, what is the margin of error in dollars? (Round your answer to the nearest cent.) $ (b) Develop a 99% confidence interval estimate of the mean amount spent for lunch in dollars. (Round your answers to the nearest…
Fill in the Blanks Type your answers in all of the blanks and submit 11. Perform the following.05 level test: Ho: u = 20.4 vs. Ha: µ < 20.4, given a sample of 10 pieces of data had a mean of 18.8 and a standard deviation of 3.4. What is your data value (test statistic) to 3-decimal places? Type your answer here Write out the exact same data value again to 3-decimal places. Type your answer here What is your chart number (that seperates Reject and Fail to Reject)? Type your answer here 8. MacBook Air