BAN 280 Midterm Exam Wray Certification Questions And Answers Verified Answers.
2 views 0 purchase
Course
BAN 280
Institution
BAN 280
A summary measure computed from a population is referred to as a - correct answer Parameter
An example of a sample statistic is - correct answer Both the sample mean, X bar , and the sample standard deviation, sx
What i...
A summary measure computed from a population is referred to as a - correct answer
Parameter
An example of a sample statistic is - correct answer Both the sample mean, X bar ,
and the sample standard deviation, sx
What is the difference between a qualitative variable and a quantative variable? - correct answer
Quantitative variables always take on values that are numeric while qualitative variables take on values
that represent some characteristic or category.
The variance can never be - correct answer Negative
Which of the following provides a measure of central location for the data? - correct answer
Mean
The population mean, µ, is a measure of - correct answer central tendency of a
population
The mean of a random variable will be negative if all possible values of the random variable are
negative. - correct answer True
The population median is - correct answer computed from a census of the entire
population
The range of probability is - correct answer zero to one
In an experiment, events A and B are mutually exclusive. If P(A) = 0.6, then the probability of B - correct
answer can not be larger than 0.4
, Which of the following statements is(are) always true? - correct answer P(A) = 1 -
P(Ac)
If A and B are independent events with P(A) = 0.2 and P(B) = 0.6, then P (A intersection B) = - correct
answer 0.12
If the mean of a normal distribution is negative, - correct answer None of these
alternatives is correct.
A normal probability distribution - correct answer is a continuous probability
distribution
For any continuous random variable, the probability that the random variable takes on exactly a specific
value is - correct answer almost zero
Consider the following frequency distribution:
Classes Absolute Frequency
0 but < 10 5
10 but < 20 12
20 but < 30 15
30 but < 40 28
40 but < 50 20
50 but < 60 8
60 but < 100 12
What would be the relative frequency density for the "60 but < 100" class? - correct answer
.03
Consider the following SAMPLE data set:
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 RealGrades. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $12.99. You're not tied to anything after your purchase.
