100% satisfaction guarantee Immediately available after payment Both online and in PDF No strings attached
logo-home
QMB 3200 EXAM QUSTIONS AND ANSWERS 100% ACCURATE $12.49   Add to cart

Exam (elaborations)

QMB 3200 EXAM QUSTIONS AND ANSWERS 100% ACCURATE

 0 view  0 purchase
  • Course
  • QMB 3200
  • Institution
  • QMB 3200

QMB 3200 EXAM QUSTIONS AND ANSWERS 100% ACCURATEQMB 3200 EXAM QUSTIONS AND ANSWERS 100% ACCURATEQMB 3200 EXAM QUSTIONS AND ANSWERS 100% ACCURATE Describes a model with a few number of terms - ANSWER-Parsimonious model True slope of line in simple linear regression - ANSWER-Beta1 A large samp...

[Show more]

Preview 2 out of 5  pages

  • November 4, 2024
  • 5
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • QMB 3200
  • QMB 3200
avatar-seller
NursingTutor1
QMB 3200 EXAM QUSTIONS AND
ANSWERS 100% ACCURATE
Describes a model with a few number of terms - ANSWER-Parsimonious model

True slope of line in simple linear regression - ANSWER-Beta1

A large sample - ANSWER-N greater than 30

# of dumy variables required to represent a QL var at 3 levels - ANSWER-2

Computer software used to generate your project printout - ANSWER-Statistix 9.0

ANOVA - ANSWER-Analysis of Variance

When 2 or more Independent variable are highly correlated - ANSWER-What is
multicollinearty

The coefficient of determination - ANSWER-R^2

The tester's choice, usually .05 - ANSWER-Alpha

A measure of central tendency in the population - ANSWER-Mew

The value of R2 in simple linear regression when x and y are uncorrelated - ANSWER-0

Squared or not, it measures dispersion in the population - ANSWER-Sigma (SD)

Decision made about Ho when alpha exceeds the p-value - ANSWER-Reject Ho

A type II error - ANSWER-Accepting Ho when Ho is false

Rejecting Ho when Ho is true - ANSWER-Type I error

In theory, the proportion of 90% CI's for mean that capture the true mean - ANSWER-
90%

Unobservable regression error - ANSWER-Epsilon -error

# of treatements in ANOVA with 2 factors SEX (M,F) & race (W, NW) - ANSWER-4

Describes a model with a squared term (x2) - ANSWER-Second order model or
quadratic model

, In a general sense, what is a Z-score? - ANSWER-It is a measure of how far from the
mean a value lies, and it is also a measure of how statistically "unusual" an observation
is for a population or sample

When referencing a Chi-Square analysis, the assumption or a large sample is
sufficiently satisfied when: - ANSWER-Expected value in each cell is greater than or
equal to 5

Sum of squared errors - ANSWER-SSE

E(y) - ANSWER-the mean (or, expected value of y)

The null hypothesis for the global F test in regression - ANSWER-Ho: beta 1= beta 2=
beta k=0

A p-value which supports Ha when alpha=.02 - ANSWER-.002

when the relationship between y and x1 depends on x2 - ANSWER-interaction

the object upon which measurements are taken - ANSWER-experimental unit

data sleuth who cant make bricks without clay - ANSWER-Sherlock holmes

Chinese sage who says a picture is worth a 1,000 - ANSWER-Confuscious

Dr. Sinchich says this about a residual plot - ANSWER-no pattern:No problem

From Russia, with theorem - ANSWER-Chebychev

Known as the father of regression for his work with Galton on son's heights - ANSWER-
Pearson

Extrapolation in regression predictions - ANSWER-Predicting outside the data

Start with QN and QN^2 add QL finally add QN*QL interactions - ANSWER-Writing
model 1

Equation of a model with 1 QN and 1 QL that graphs as two nonparallel straight lines -
ANSWER-Beta0 + beta1x1+beta2x2 +beta3x1x2

Divide printout value in half if one tailed leave it alone if two tailed - ANSWER-p-value of
a t-test

Galton's law, it says "tall fathers have shorter sons on average" - ANSWER-Law of
universal regression

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 NursingTutor1. Stuvia facilitates payment to the seller.

Will I be stuck with a subscription?

No, you only buy these notes for $12.49. You're not tied to anything after your purchase.

Can Stuvia be trusted?

4.6 stars on Google & Trustpilot (+1000 reviews)

83637 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
$12.49
  • (0)
  Add to cart