Perform a t-test (significance level a = 0.05) to test your null hypothesis and compare diastolic bloodpressure values measured in the sitting down and standing up position. Do the same for the mean systolicpressure measurements. Enter the degrees of freedom, t-values and p-values for both tests in the tablebelow. Provide all values to 3 significant figures.Hint: Use a paired t-test.Diastolic(mmHg)Diastolic(mmHg)Systolic(mmHg)standingSystolic(mmHg)sittingStanding1371519086129143868412711688781201108686125115868011711880751191166987135136918013211684821611359099118116726913013376661071267281981076175112111578212313275811111417810512212388851241228083971046562Based on the results from your t-tests, do you think that a change in posture has a relevant (statisticallysignificant) effect on diastolic or systolic blood pressure?

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Answered: Perform a t-test (significance level a…

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 length of a metal block is measured 4 times using a ruler. The results are shown below: measurement # length l (mm) 1 23.5 2 23.8 3 23.2 4 23.6 First, calculate the mean length and fill it in the blank below. Next, fill in the blanks for the differences and in the table above. Finally, calculate the standard deviation, the standard deviation of the mean and the 2σ uncertainty and fill in the blanks below. Important notes (read before entering your answers): Enter the values in mm using decimal notation (e.g. 0.0123). A leading zero before the decimal point must be entered (e.g. 0.0123, not .0123). Do not use scientific notation, as it will not be recognized, and do not enter the units. Do not round the numbers, as this may cause rounding errors to accumulate. Mean length: mm Standard deviation mm Standard deviation of the mean mm 2σ uncertainty mm
The police reported that the average driver exceeds the 50 miles per hour speed limit by more than 9 miles per hour on the busiest street in a small town. A sample of 63 randomly selected cars were clocked by airplane radar. The average speed was 57.5 miles per hour, and the standard deviation of the speeds was 4.17 miles per hour. Determine if the average speed is greater than what the police department reported. Which parameter(s) are you given? Mark all that apply. p μ σ none Which statistic(s) are you given? Mark all that apply. ¯x ˆp ˆq s x none What is the problem asking you to do? Estimate a parameter Test a given parameter
The time to complete an exam is approximately Normal with a mean of 48 minutes and a standard deviation of 7 minutes. The bell curve below represents the distribution for testing times. The scale on the horizontal axis is equal to the standard deviation. Fill in the indicated boxes. H = 48 o = 7 H- 30 H-20 μ+2σ μ+ 3
Use the data below to test the claim that the weight loss was greater with the low fat diet compared to the low carbohydrate diet. Use a 10% level of significance. Low Fat Low Carbohydrate x¯1=3.9lbs s1=4.2lb n1=51 x¯1=2.6lb s1=5.9lb n1=79 Identify the tail of the test What is the P-value? Will the null hypothesis be rejected? Is the initial claim supported?
The time to complete an exam is approximately Normal with a mean of 41 minutes and a standard deviation of 7 minutes. The bell curve below represents the distribution for testing times. The scale on the horizontal axis is equal to the standard deviation. Fill in the indicated boxes. µ = 41 o = 7 H- 30 u-20 µ-o u+o µ+20 µ+30
Perform at-test (significance level a - 0.0s) to test your null hypothesis and compare syatelic blood pressure values measured in the sitting down and standing up position. Enter the degrees of freedom, t-values and p-values for both tests in the table below. Provide all values to 3 significant gures. Hint: Use a paired t-test. Systolic (mmHg)standing (mmHg)sitting Systolic 137 151 129 143 127 116 120 110 125 115 117 118 119 116 135 136 132 116 161 135 118 116 130 133 107 126 98 107 112 111 123 132 111 141 122 123 124 122 97 104
Please provide Handwritten answer
lustration 19.33. An examination was given to 50 students at College A and to 60 students at Collage B. At A, the mean grade was 75 with S.D.=9. At B, the mean was 79 with SD=7. Is there a significant difference in the performance at the two Colleges at 5% level of significance?
Interpret the decision in the context of the original claim.
Data from 500 random tornados was collected and the length in miles that the tornado was touching the ground was recorded. We want to test the claim that the mean tornado length is greater than 2.5 miles using a .05 significance level. Using the traditional method if the test statictic is .759, x hat = 2.72424 and s= .2956. Tell why you made the decision you did.
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
Can you please help me answer and understand this problem?Thank you!

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