In the study, the authors state the following: “Because ventilator-free days and days free of multiple...

In the study, the authors state the following: “Because ventilator-free days and days free of multiple organ dysfunction syndromes are known to have a bimodal distribution, the data were initially analyzed by means of Student’s t-test, with between-group differences presented as means and 95% confidence intervals. A secondary analysis of these outcome measures involving a bootstrapped t-test was also conducted to support the results of the primary analysis…”

Try to Justify the logic of these two sentences.

i. why did they initially use a method based on Student’s t-test and why did they do a secondary analysis with a “bootstrapped t-test”. Try to explain briefly what the latter means.

We appreciate that there is no right or wrong answer to this question. Your argument is an important part of your response.

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orchestra answered 1 year ago

In the study, the authors state the following: “Because ventilator-free days and days free of multiple...

In the study, the authors state the following: “Because ventilator-free days and days free of multiple organ dysfunction syndromes are known to have a bimodal distribution, the data were initially analyzed by means of Student’s t-test, with between-group differences presented as means and 95% confidence intervals. A secondary analysis of these outcome measures involving a bootstrapped t-test was also conducted to support the results of the primary analysis…” Try to Justify the logic of these two sentences. i. why did...

Recommend multiple procedures to improve a piston ventilator design and some tests to verify its design.

In a study of academic procrastination, the authors of a paper reported that for a sample...

In a study of academic procrastination, the authors of a paper reported that for a sample of 431 undergraduate students at a midsize public university preparing for a final exam in an introductory psychology course, the mean time spent studying for the exam was 7.24 hours and the standard deviation of study times was 3.50 hours. For purposes of this exercise, assume that it is reasonable to regard this sample as representative of students taking introductory psychology at this university....

In a study of academic procrastination, the authors of a paper reported that for a sample...

In a study of academic procrastination, the authors of a paper reported that for a sample of 411 undergraduate students at a midsize public university preparing for a final exam in an introductory psychology course, the mean time spent studying for the exam was 7.64 hours and the standard deviation of study times was 3.60 hours. For purposes of this exercise, assume that it is reasonable to regard this sample as representative of students taking introductory psychology at this university....

In a study of academic procrastination, the authors of a paper reported that for a sample...

In a study of academic procrastination, the authors of a paper reported that for a sample of 481 undergraduate students at a midsize public university preparing for a final exam in an introductory psychology course, the mean time spent studying for the exam was 7.54 hours and the standard deviation of study times was 3.80 hours. For purposes of this exercise, assume that it is reasonable to regard this sample as representative of students taking introductory psychology at this university....

In a study of academic procrastination, the authors of a paper reported that for a sample...

In a study of academic procrastination, the authors of a paper reported that for a sample of 441 undergraduate students at a midsize public university preparing for a final exam in an introductory psychology course, the mean time spent studying for the exam was 7.74 hours and the standard deviation of study times was 3.40 hours. For purposes of this exercise, assume that it is reasonable to regard this sample as representative of students taking introductory psychology at this university....

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In the study, the authors state the following: “Because ventilator-free days and days free of multiple...

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In the study, the authors state the following: “Because ventilator-free days and days free of multiple...

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