100% satisfaction guarantee Immediately available after payment Both online and in PDF No strings attached
logo-home
Previously searched by you
Previously searched by you
logo
TAMU STAT 211 Exam 1(completed)2022 $9.99   Add to cart
Quickly navigate to
Preview
  2.  
  3. TAMU STAT 211
  4.  
  5. TAMU STAT 211

Exam (elaborations)

TAMU STAT 211 Exam 1(completed)2022
 9 views  0 purchase
  • Course
  • TAMU STAT 211
  • Institution
  • TAMU STAT 211

Define: categorical variable variable that takes values in one of several categories ex: gender, race, major Define: quantitative variable variable that takes numerical values where arithmetic makes sense ex: age, SAT score, time until arrival 00:03 01:33 Define: observa...

[Show more]

Preview 1 out of 3  pages

Document information

  • August 1, 2022
  • 3
  • 2022/2023
  • Exam (elaborations)
  • Questions & answers

Subjects

  • tamu stat 211 exam 1completed2022

Written for

  • TAMU STAT 211
All documents for this subject (1)

Seller

avatar-seller
satamu

Reviews received

Content preview

TAMU STAT 211 Exam 1
Define: categorical variable - Answer variable that takes values in one of several
categories

ex: gender, race, major

Define: quantitative variable - Answer variable that takes numerical values where
arithmetic makes sense

ex: age, SAT score, time until arrival

Define: observational study - Answer Passive data collection. Nothing is done to
influence the variables on the units in the sample.

tends to be more cost effective

Define: experiment - Answer Treatment is applied to some units. Variables on units are
measured with the intention of determining if the treatment affects the variables.

Whats the difference between a histogram and a bar graph? - Answer Histogram bars
touch and their width is related to the value range, used for quantitative data

Bar graph bars do not bars touch and their width is not related to the value range, used
for categorical data

Define: Unit - Answer Single entity who's quantity is measured

Define: Population - Answer The entire set of units

Define: Sample - Answer A set of selected units and their associated measurements

Define: census - Answer Sample that attempts to include entire population

Define: Parameter - Answer Fixed (and usually unknown) number that describes the
population

Define: Statistic - Answer Number from the sample that estimates a population
parameter

Define: Randomized experiment - Answer Subjects are randomly assigned to the
assigned and control groups

Define: Double-blind experiment - Answer Neither the subjects nor those collecting the
data know who is the control/experimental group

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 satamu. Stuvia facilitates payment to the seller.

Will I be stuck with a subscription?

No, you only buy these notes for $9.99. You're not tied to anything after your purchase.

Can Stuvia be trusted?

4.6 stars on Google & Trustpilot (+1000 reviews)

77254 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
$9.99
  • (0)
  Add to cart