Question: A sample of 15 patients suffering from asthma participated in an experiment to study the effect of a new treatment on pulmonary function. Among the

A sample of 15 patients suffering from asthma participated in an experiment to study the effect of a new treatment on pulmonary function. Among the various measurements recorded were those of forced expiratory volume (liters) in 1 second (FEV1) before and after application of the treatment.

The results were as follows:

Subject Before After Subject Before After 1 1.69 1.69 9 2.58 2.44 2 2.77 2.22 10 1.84 4.17 3 1.00 3.07 11 1.89 2.42 4 1.66 3.35 12 1.91 2.94 5 3.00 3.00 13 1.75 3.04 6 .85 2.74 14 2.46 4.62 7 1.42 3.61 15 2.35 4.42 8 2.82 5.14 On the basis of these data, can one conclude that the treatment is effective in increasing the FEV1 level? Let a ¼ :05 and find the p value.

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock blur-text-image

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Students Have Also Explored These Related Biostatistics Questions!

Health Care Research & Statistics Choosing Statistical Tests Assignment 11A-2 Instructions: For each problem indicate the hypotheses and the statistical test that you would use to analyze the data....

Q1:-What is the response variable? race and sex doctors from the American College of Physicians or the American Academy of Family Physicians cardiac catheterization and coronary bypass...

Excelsior College PBH 321 CRITICAL EYE ON RESEARCH IN EPIDEMIOLOGY By the end of this activity, you will be able to illustrate the purposes, designs, weaknesses, and relevance of a randomized drug...

As you review these studies, think about the differences in the study designs and approach to answering their respective research questions. Think about the strengths and limitations of each design....

1.) Was this a qualitative or quantitative study? 2.) What was the sample size for the study? 3.) What percent of the sample had children who were at least school age? 4.) What percent of the sample...

Top of Form 1. Some variables that were recorded while studying diets of sharks are given below. Which of the variables is categorical? The length of the shark being observed The type of shark being...

1.A researcher wants to determine the sensitivity of mammograms to determine how effective they are at diagnosing women who have breast cancer. Assume the researcher obtained the above results from a...

Read the following article and address the following questions in order to provide a detailed critiques for the article What is the notable finding of the literature review about the topic in hand....

I need to see the SPSS output. You need to have all z-scores, all charts, all descriptives data from SPSS, everything you used to answer the questions. I am sending you what the previous tutor sent...

Testbank-Final Exam Essentials of Biostatistics for Public Health, 2nd Edition Lisa M. Sullivan, PhD Test Bank - Final Exam 1. The following are body mass index (BMI) scores measured in 12 patients...

A proton strikes a 20/10Ne nucleus and an particle is observed to emerge. What is the residual nucleus? Write down the reaction equation.

1. What influence tactics are illustrated in these videos? Explain your answer. 2. What conflict management strategies are illustrated in these videos? Explain your answer. 3. How else might you...

after marielle ceased making loan payments on her retail property, her lender forclosed. the loan was secured by the building when she purchased it three years ago for $ 5 2 5 , 0 0 0 . marielle...

What is the definition of cooperative strategy, and why is this strategy important to firms competing in the current competitive landscape?

Mendels Peas Mendel conducted some his famous experiments with peas that were either smooth yellow plants or wrinkly green plants. If four peas are randomly selected from a batch consisting of four...

Computer Variable Names A common computer programming rule is that names of variables must be between one and eight characters long. The first character can be any of the 26 letters, while successive...

Handshakes a. Five physicians gather for a meeting about a patient. If each physician shakes hands with each other physician exactly once, what is the total number of handshakes? b. If n physicians...

A large clothing retailer chain, Koll's, offers a sales incentive program where customers receive direct credit toward future purchases based upon the dollar amount of purchases today. For every $50...

1 A standard quantity of 2kg of material X at a standard price of R4 per kg is allowed for the production of one unit of product Mia. The cost figures for the first quarter of 2021 showed that 4400kg...

nd On September 30, 2020, Violet Company issued 4,000 shares of its P100 par share capital in connection with a stock dividend. The market value per share on the date of declaration was P150....