mth216 review quiz checkpoint 1 questions and answers
review quiz checkpoint 1 questions and answers
mth216 review quiz checkpoint 1
Written for
University Of Phoenix
MTH 216 (MTH216)
All documents for this subject (2)
Seller
Follow
Rubricguru
Reviews received
Content preview
MTH/216
Review Quiz: Checkpoint 1
In my experimental study, I used a sample that was larger than the population.
No, the statement does not make sense. A sample is a subset of the population and cannot be larger
than the population.
I wanted to test the effects of vitamin C on colds, so I gave the treatment group vitamin C and gave the
control group vitamin D.
The statement does not make sense. The control group should only receive a placebo, not another
treatment.
An exit poll designed to predict the winner of a local election uses voluntary surveys with every
Republican who votes between 9 :00 and 9 : 30a.m. What sources of bias, if any, might this study
have?
Both selection and participation bias
Discuss the differences between the following questions, each of which could be the basis for a
statistical study.
What percentage of Internet dates lead to marriage?
What percentage of marriages begin with Internet dates?
The questions have different populations.
The stacked line chart shows the numbers of college degrees awarded to men and women over time.
a. Estimate the numbers of college degrees awarded to men and to women (separately) in 1930
and in 1990.
The number of college degrees awarded to men in 1930 was 75,000.
The number of college degrees awarded to women in 1930 was 50,000
This study source was downloaded by 100000829216747 from CourseHero.com on 02-21-2022 09:28:50 GMT -06:00
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 Rubricguru. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $8.49. You're not tied to anything after your purchase.
