Exam (elaborations)
PY Stats 211 Chapter 15 Test With Solution
- Course
- Institution
PY Stats 211 Chapter 15 Test With Solution...
[Show more]
Content preview
PY Stats 211 C hapte r 15 Te st With Sol ution A researcher measures the correlation between self-esteem (high, low) and physical fitness scores among school athletes. In the study, 12 participants reported high self-esteem, and 12 reported low. If S(r) = 9.06 and M(y1)-M(y2) = 11, then what is the value of the correlation coefficient? 0.61 0.30 0.39 not enough info - ANSWER 0.61 (#41) A researcher measures the correlation between the frequency of self-esteem (high, low) and health status (lean/healthy, overweight/obese). Based on the frequencies for each nominal category given below, what is the value of the phi correlation coefficient? 0.08 0.28 0.52 0.56 - ANSWER 0.28 (#42) A researcher computes the following phi correlation coefficient r (phi) = 0.42. If the sample size was 20, then what is the decision for this correlation test? - ANSWER Retain the null hypothesis (#43) A researcher determines that x^2 =3.76 to test for significance for a phi correlation coefficient. What was the decision for this phi correlation test? - ANSWER Retain the null hypothesis (#45) IF X^2 =3.84 and n=36, then what is the value of r? 0.11 0.16 0.33 0.36 - ANSWER 0.33 (#50) Select the description below that identifies the following correlation: r=.28, p < .01 - ANSWER -the correlation is positive -the correlation is statistically significant -the coefficient of determination is .08 ALL OF THE ABOVE (#54) The correlation coefficient varies between 0 and 1 and can never beThe 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 Smooth. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $9.49. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
75619 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now