Answered step by step
Verified Expert Solution
Link Copied!

Question

1 Approved Answer

The Ankle Brachial Index (ABI) compares the blood pressure of a patient's arm to the blood pressure of the patient's leg. A healthy ABI is

image text in transcribedimage text in transcribedimage text in transcribedimage text in transcribedimage text in transcribedimage text in transcribedimage text in transcribedimage text in transcribedimage text in transcribedimage text in transcribed
image text in transcribedimage text in transcribedimage text in transcribedimage text in transcribedimage text in transcribedimage text in transcribedimage text in transcribedimage text in transcribedimage text in transcribedimage text in transcribed
The Ankle Brachial Index (ABI) compares the blood pressure of a patient's arm to the blood pressure of the patient's leg. A healthy ABI is 0.9 or greater. In a study, researchers obtained the ABI of 187 women with arterial disease. The results were a mean ABI of 0.86 with a standard deviation of 0.17. At the 5% significance level, do the data provide sufficient evidence to conclude that, on average, women with arterial disease have an unhealthy ABI? Click here to view a partial table of values of to. . . . Set up the hypotheses for the one-mean t-test. Ho: H Ha: HThe local veterinarian claims pugs weigh about 20 lbs on average. You think it may be less. To test your hypothesis, you develop hypotheses, H0: p. = 20 versus H1: p (a) If your mean sample weight is 18 pounds with a standard deviation of 3.7 pounds, compute the test statistic. t* = D (Round to two decimal places as needed.) (b) Approximate the P-value. Choose the correct range for the Pvalue below. 0 A. P-value 0.05 (c) If the researcher decides to test this hypothesis at the a = 0.05 level of signicance, will the researcher reject the null hypothesis? 0 A. The researcher will reject the null hypothesis since the Pvalue is not less than a. O B. The researcher will not reject the null hypothesis since the P-value is less than on. O C. The researcher will reject the null hypothesis since the P-value is less than a. O D. The researcher will not reject the null hypothesis since the P-value is not less than a. If the researcher decides to reject the null hypothesis, what is the probability of a Type | Error? |:| Professor Bond claims her mean test score is a 75 - but you worry it's lower than that. To test H0: p = 75 versus Ha: p 30. O B. Yes, because the sample is random. 0 c. No, because the test is two-tailed. O D. No, because n>30. (b) If i = 72.5 and s = 5.9, compute the test statistic. The test statistic is t* = D. (Round to two decimal places as needed.) (c) Approximate the P-value. Choose the correct answer below. 0 A. P-value 0.24 C. Ho: P = 0.24 H1: p #0.24 O D. Ho: p = 0.24 H1 : p 0.80 E. H0: p=0.20 F. H0: p=0.20 H1: p0.20 The test statistic is z = D. (Round to two decimal places as needed.) Consider a sample of 51 football games, where 31 of them were won by the home team. Use a 0.01 significance level to test the claim that the probability that the home team wins is greater than one-half. . . . Identify the null and alternative hypotheses for this test. Choose the correct answer below. O A. Ho: p = 0.5 H1: p #0.5 OB. Ho: p > 0.5 H1 : p = 0.5 O C. Ho: p = 0.5 H1: p > 0.5 O D. Ho: p = 0.5 H1 : p

Step by Step Solution

There are 3 Steps involved in it

Step: 1

blur-text-image

Get Instant Access to Expert-Tailored Solutions

See step-by-step solutions with expert insights and AI powered tools for academic success

Step: 2

blur-text-image

Step: 3

blur-text-image

Ace Your Homework with AI

Get the answers you need in no time with our AI-driven, step-by-step assistance

Get Started

Recommended Textbook for

Smooth Manifolds

Authors: Rajnikant Sinha

1st Edition

8132221044, 9788132221043

More Books

Students also viewed these Mathematics questions