The table below presents the diastolic blood pressure for ten patients before being put on blood pressure medicine and6 months after being put on blood pressure medicine.Before93 98 101 95 93 98 99 91 96 976 Months After 86 91 99 86 89 88 96 82 91 79Use a significance level of a=0.05 to test the claim that blood pressure medicine lowered diastolic blood pressure bymore than a value of 6.[Note: Let L3 = (Before) - (6 Months After)]Round the test statistic to two decimal places and the p-value to four decimal places.The test statistic isThe p-value isShould the null hypothesis be rejected?[Type "yes" if the null hypothesis is rejected and "no" if it is not rejected.]

Answered: The table below presents the diastolic…

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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Mr. Bates wants to compare the midterm scores of his students who took the course during the fall semester versus the spring semester. Here is the data: Fall 89 86 64 91 72 94 87 83 86 90 74 59 87 97 87 Spring 76 70 82 94 76 66 72 51 75 97 74 81 85 96 74 Can he say that there was a significant difference between his fall and spring students? (Use α = .10)
To test whether the mean time needed to mix a batch of material is the same for machines produced by three manufacturers, the Jacobs Chemical Company obtained the following data on the time (in minutes) needed to mix the material. 3 1 19 21 25 20 23 24 21 23 a. Use these data to test whether the population mean times for mixing a batch of material differ for the three manufacturers. Use a 0.05. Compute the values below (to 2 decimals, if necessary). Sum of Squares, Treatment Sum of Squares, Error Mean Squares, Treatment Mean Squares, Error Calculate the value of the test statistic (to 2 decimals). Manufacturer What conclusion can you draw after carrying out this test?. Select your answer- 2 29 27 32 28 The p-value is -Select your answer What is your conclusion? -Select your answer- b. At the a 0.05 level of significance, use Fisher's LSD procedure to test for the equality of the means for manufacturers 1 and 3. Calculate Fisher's LSD Value (to 2 decimals).
130 adults with gum disease were asked the number of times per week they used to floss before their diagnoses. The (incomplete) results are shown below: # of times floss per week 0 Frequency Relative Frequency 17 19 17 19 9 15 0.1308 0.1462 0.1308 Cumulative Frequency 1 2 3 4 5 6 7 19 a. Complete the table (Use 4 decimal places when applicable) b. What is the cumulative relative frequency for flossing 4 times per week? 0.0692 0.1154 0.1154 0.1462 17 36 53 81 96 111 130 %
110 adults with gum disease were asked the number of times per week they used to floss before their diagnoses. The (incomplete) results are shown below: # of times floss per week Frequency 0 1 15 2 3 4 5 6 7 5 Relative Frequency 0.1364 0.0454 12 13 14 18 14 19 a. Complete the table (Use 4 decimal places when applicable) 0.1091 0.1182 0.1273 0.1636 0.1273 0.1727 X Cumulative Frequency 32 15 20 45 59 77 91 110
To test whether the mean time needed to mix a batch of material is the same for machines produced by three manufacturers, the Jacobs Chemical Company obtained the following data on the time (in minutes) needed to mix the material. Compute the values below (to 2 decimals, if necessary). Sum of Squares, Treatment Sum of Squares, Error Mean Squares, Treatment Mean Squares, Error Calculate the value of the test statistic (to 2 decimals). 1 19 25 23 21 Manufacturer a. Use these data to test whether the population mean times for mixing a batch of material differ for the three manufacturers. Use a = 0.05. What conclusion can you draw after carrying out this test? - Select your answer - 2 30 28 33 29 3 21 20 24 23 The p-value is - Select your answer - V What is your conclusion? - Select your answer - b. At the a= 0.05 level of significance, use Fisher's LSD procedure to test for the equality of the means for manufacturers 1 and 3. Calculate Fisher's LSD Value (to 2 decimals).
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110 adults with gum disease were asked the number of times per week they used to floss before their diagnoses. The (incomplete) results are shown below: # of times floss per week Frequency Relative Frequency Cumulative Frequency 0 23 0.2091 1 0.0818 32 2 4 0.0364 36 3 16 52 4 15 0.1364 67 5 13 0.1182 80 6 13 0.1182 93 7 17 0.1545 110 a. Complete the table (Use 4 decimal places when applicable) b. What is the cumulative relative frequency for flossing 5 times per week? %
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