Exam (elaborations)
BUS 302L STATS EXAM QUESTIONS WITH ANSWERS
- Course
- Institution
BUS 302L STATS EXAM QUESTIONS WITH ANSWERS...
[Show more]
Content preview
When calculating a sample's variance, the sum of squared deviations, E, isdivided by - ANSWER n-1.
"Not equal to" rejection regions consist of ANSWER 2 regions and left/right
tail.
If the correlation coefficient = 1 - ANSWER standard error estimate, "Sz" = 0.
The expected value of a random variable is a long-run weighted average.
If there are two or more random samples, the standard error mean - ANSWER
is smaller than the population standard deviation.
If you have product output data, TC production, you can estimate FC/VC using
ANSWER Linear regression.
Choose a probability for your typer II error - the answer is not part of the
hypothesis stage.
The binomial distribution accepts _____ values - ANSWER integer
Increasing sample size "n" induces a drop in the sigma mean.
Statistic - ANSWER summarizes sample data.
*Random variables
, Parameter - ANSWER summarizes population data.
Reasons for calculating the mean data set - ANSWER discover measure of
location.
The normal distribution does not have a mean of - ANSWER 0.
If the P-value is greater than a, reject the null hypothesis.
If the number of observations is minimal or the values are extreme, do not use
the mean function.
Mean - Answer. Half of the observations in a data set are greater.
Median is the midpoint value.
*Extreme values are okay.
Mode - ANSWER most common value.
Measures of Central Location: mean, median, and mode
The probability distribution SYMMETRIC - ANSWER: m = m.
*bell-shaped, regular distribution
If the distribution is favorably skewed to the right, the answer m > m > m
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 luzlinkuz. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $10.49. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
76800 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now