Exam (elaborations)
CHDA Chapter 5 Questions and Answers Graded A+
- Course
- Institution
Exam of 3 pages for the course CHDA at CHDA (CHDA Chapter 5)
[Show more]
Content preview
CHDA Chapter 5An analyst wishes to test the impact of the new patient schedule system on a number of
MRI tests performed per day. What statistical test should be used? - answer Paired t-
test
Which of the following measures of central tendency do 1/2 of the observations fall
above and 1/2 of the observations fall below? - answerMedian
A study was conducted to determine if students remembered more medical terms from
an online or in person course. The average number of terms recalled by the sample of
10 students in the in-person course was 75 with a standard deviation of 2.0. The
average number of terms recalled by sample of 10 students in the online courses was
50 with a standard deviation of 3.5. What statistical inference tool should be used to
determine if the difference between the two groups is statistically significant? -
answerTwo-sample t-test
A study was conducted to determine if students remembered more medical terms from
an online or in person course. The average number of terms recalled by the sample of
10 students in the in-person course was 75 with a standard deviation of 2.0. The
average number of terms recalled by sample of 10 students in the online courses was
50 with a standard deviation of 3.5. If the value of the test statistic was 2.5 and alpha
was set to 5%, what would be the conclusion of the test? - answerReject the null
hypothesis and conclude that the in-person students retained more terms
Which of the following measures of central tendency is most affected by extreme
values? - answerMean
The researcher would like to test the null hypothesis that a complication rates at two
hospitals are equal. What statistical test should the researcher use in this situation? -
answerThe Z-test for proportions
What is the purpose of Tukey's HSD test? - answerTest to determine which pairs of
means are different after a significant ANOVA
Given the data below, what is the 95% confidence interval of the mean? Mean equals
89.5, standard deviation equals 9.9, standard error of the mean equals .7 - answer88.1,
90.9
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller julianah420. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $13.99. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
75632 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now