100% satisfaction guarantee Immediately available after payment Both online and in PDF No strings attached
logo-home
QM 520 - QUIZ 1 ALL QUESTIONS. PLUS ANSWERS. ALL 100% CORRECT. $16.49   Add to cart

Exam (elaborations)

QM 520 - QUIZ 1 ALL QUESTIONS. PLUS ANSWERS. ALL 100% CORRECT.

1 review
 81 views  1 purchase

QM 520 - QUIZ 1 ALL QUESTIONS. PLUS ANSWERS. ALL 100% CORRECT. standard deviation of $5,000. What is the probability that a randomly selected individual with an MBA degree will get a starting salary of at least $47,500? Select one: A. 0.0668 B. 0.0798 C. 0.4332 D. 0.4499 Feedback The corre...

[Show more]

Preview 4 out of 58  pages

  • July 5, 2021
  • 58
  • 2020/2021
  • Exam (elaborations)
  • Questions & answers
  • qm 520
All documents for this subject (8)

1  review

review-writer-avatar

By: aliyahspahiu • 3 months ago

avatar-seller
registered_nurse
QUIZ 1
The starting salaries of individuals with an MBA degree are normally distributed with a mean of $40,000 and a standard deviation of $5,000. What is the probability that a randomly selected individual with an MBA degree will get a starting salary of at least $47,500?
Select one:
A. 0.0668 B. 0.0798 C. 0.4332 D. 0.4499 Feedback
The correct answer is: 0.0668
A numerical value used as a summary measure for a sample, such as sample mean, is known as
Select one:
a. Population Parameter b. Sample parameter c. Population mean d. Sample statistics Feedback
The correct answer is: Sample statistics
The standard deviation of a standard normal distribution
Select one: A. is always equal to zero B. is always equal to one C. can be any positive value D. can be any value Feedback
The correct answer is: is always equal to one A student makes an 82 on the first test in a statistics course. From this, she assumes that her average at the end of the semester (after other tests) will be about 82. This is an example of __________.
Select one:
A. descriptive statistics B. inferential statistics C. nonparametric statistics D. wishful thinking Feedback
The correct answer is: inferential statistics
The following data give the number of computer keyboards assembled at the Twentieth Century Electronics Company. The sample mean and median values, respectively, are
Select one: a. 87, 42 b. 55.25, 52.5 c. 52.5, 55.25 d. 42, 87 Feedback
The correct answer is: 55.25, 52.5
The Ordinal scale of measurement has the properties of the
Select one:
a. ratio scale of measurement b. interval scale of measurement c. nominal scale of measurement d. ration and interval scales of measurement Feedback
The correct answer is: nominal scale of measurement
What is the mean of the following data set: 1, 2, 3, 4, 5, 6?
Select one:
a. 2.5 b. 3.5 c. 2.75 d. None of the above Feedback
The correct answer is: 3.5
For a standard normal distribution, the probability of z<0 is
Select one:
A. Zero B. 1.0 C. 0.25 D. 0.5 Feedback
The correct answer is: 0.5
If the mean of a normal distribution is negative
Select one:
A. The standard deviation must also be negative B. The variance must also be negative C. A mistake has been made in the computations, because the mean of a normal distribution cannot be negative. D. None of these alternatives is correct. Feedback

The benefits of buying summaries with Stuvia:

Guaranteed quality through customer reviews

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

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

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 registered_nurse. Stuvia facilitates payment to the seller.

Will I be stuck with a subscription?

No, you only buy these notes for $16.49. You're not tied to anything after your purchase.

Can Stuvia be trusted?

4.6 stars on Google & Trustpilot (+1000 reviews)

82871 documents were sold in the last 30 days

Founded in 2010, the go-to place to buy study notes for 14 years now

Start selling
$16.49  1x  sold
  • (1)
  Add to cart