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
MATH302 Statistics UPDATED ACTUAL Questions and CORRECT Answers $9.99
Add to cart
Quickly navigate to
Preview
  2.  
  3. MATH302 Statistics
  4.  
  5. MATH302 Statistics

Exam (elaborations)

MATH302 Statistics UPDATED ACTUAL Questions and CORRECT Answers
 0 purchase
  • Course
  • MATH302 Statistics
  • Institution
  • MATH302 Statistics

MATH302 Statistics UPDATED ACTUAL Questions and CORRECT Answers What is the sampling method used in the following scenario? A teacher wants to know if her students are doing homework, so she randomly selects rows two and five and then calls on all students in row two and all students in row ...

[Show more]

Preview 2 out of 11  pages

Document information

  • October 30, 2024
  • 11
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

Subjects

Written for

  • MATH302 Statistics
  • MATH302 Statistics

Seller

avatar-seller
MGRADES

Reviews received

Content preview

MATH302 Statistics UPDATED ACTUAL
Questions and CORRECT Answers
What is the sampling method used in the following scenario? A teacher wants to know if her
students are doing homework, so she randomly selects rows two and five and then calls on all
students in row two and all students in row five to present the solutions to homework problems
to the class. - CORRECT ANSWER- cluster


The first 50 people who walk into a sporting event are polled on their television preferences.
What type of sampling was used? - CORRECT ANSWER- convenience


A market researcher polled every tenth person who walks into a store. What type of sampling
was used? - CORRECT ANSWER- systematic


What is the sampling method used in the following scenario? The librarian at a public library
wants to determine what proportion of the library users are children. The librarian has a tally
sheet on which she marks whether books are checked out by an adult or a child. She records this
data for every fourth patron who checks out books. - CORRECT ANSWER- systematic


What was the sampling method used in the scenario? A study was done to determine the age, the
number of times per week, and the duration (amount of time) of residents using a local park in
San Antonio, Texas. The first house in the neighborhood around the park was selected randomly,
and then the resident of every eighth house in the neighborhood around the park was
interviewed. - CORRECT ANSWER- systematic


A Lake Tahoe Community College instructor is interested in the mean number of days Lake
Tahoe Community College math students are absent from class during a quarter. X = number of
days a Lake Tahoe Community College math student is absent In this case, X is an example of -
CORRECT ANSWER- a variable


Which of the following correctly describes the relationship between a sample and a population? -
CORRECT ANSWER- a sample is a group of subjects selected from a population to be studied

, A marriage counselor is interested in the proportion of clients she counsels who stay married.
identify the sample - CORRECT ANSWER- a subgroup of clients of this marriage counselor


Crime-related and demographic statistics for 47 US states were collected from government
agencies, including the FBI's Uniform Crime Report. One analysis of this data found a strong
connection between education and crime indicating that higher levels of education in a
community correspond to higher crime rates. Which of the potential problems with samples
discussed below could explain this connection? - CORRECT ANSWER- causality


Crime-related and demographic statistics for 47 US states were collected from government
agencies, including the FBI's Uniform Crime Report. One analysis of this data found a strong
connection between education and crime indicating that higher levels of education in a
community correspond to higher crime rates. Which of the potential problems with samples
discussed below could explain this connection? - CORRECT ANSWER- confounding


round the fraction to four decimal places


845/98 - CORRECT ANSWER- 8.6224


You are collecting the same data and received very different results from your classmates. What
do you do? - CORRECT ANSWER- reevaluate data-taking methods.


When collecting your data, you notice that your results are very different from your classmates.
What should you do? - CORRECT ANSWER- Reevaluate your accuracy


Fifty part-time students were asked how many courses they were taking this term. The
(incomplete) results are shown below


Answer the following two questions:
What percent of students take exactly two courses? Round to a whole number. Do not include
decimals.

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 MGRADES. 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)

67479 documents were sold in the last 30 days

Founded in 2010, the go-to place to buy study notes for 15 years now

Start selling
$9.99
  • (0)
Add to cart
Added