Logo
Home Study Material Contact Search
AI Chat FREE
  1. mathematics
  2. statistics
  3. in a study examining whether taking a statistics c

In a study examining whether taking a statistics course influences students’ reasoning skill, a researcher first...

90.2K

Verified Solution

Question

Statistics

  1. In a study examining whether taking a statistics courseinfluences students’ reasoning skill, a researcher first gave areasoning task to 5 students who have never taken a statisticscourse, and then the students took a brief statistics lecture whichlasted 3 hours. After the lecture, the same five students took thereasoning task again. Their performance scores are summarized inthe table below.

Student ID

Performance before the lecture

Performance afterthe lecture

A

6

8

B

7

7

C

5

7

D

8

8

E

7

     10

Perform anappropriate statistical test and provide your conclusion on whetheror not their reasoning performance are different before and aftertaking the STATS lecture.

2. In the above(#9), the same 5 students took the test twice, before and after thelecture. Reanalyze the above data as the data obtained from twosets of independent samples. Now please perform an appropriatestatistical test to compare the means, pretending that twodifferent (independent) groups of five people took the same test,one before and one after the lecture.

Answer & Explanation Solved by verified expert
4.2 Ratings (826 Votes)
Here first we will use paired t test tocompare themeans and then we will use independent sample ttest to comparemeanso    See Answer
Get Answers to Unlimited Questions

Join us to gain access to millions of questions and expert answers. Enjoy exclusive benefits tailored just for you!

Membership Benefits:
  • Unlimited Question Access with detailed Answers
  • Zin AI - 3 Million Words
  • 10 Dall-E 3 Images
  • 20 Plot Generations
  • Conversation with Dialogue Memory
  • No Ads, Ever!
  • Access to Our Best AI Platform: Flex AI - Your personal assistant for all your inquiries!
Become a Member

Other questions asked by students

Geometry
1.2K views

6 Directions Rotate the point according to each direction Starting Point 2 3 7 6...

Medical Sciences
1.2K views

Describe what the MHC is and its dual function. Describe two ways in which a cytotoxic...

Civil Engineering
1.2K views

a) A thick steel plate of total area 840 cm2 (both sides) is exposed to air...

Physics
1.2K views

A straight conductor of length is wound in to a circular coil of n turns...

Physics
1.2K views

The displacement x as a function of time t of a simple harmonic motion is...

Accounting
1.2K views

Answer these questions and list the answers. Tims Donuts has 10 employees...

Accounting
1.2K views

Stillwater State Bank has requested an analysis of checking account profitability by customer...

Accounting
1.2K views

How legislator wages in lieu of notice are treated for statutory deduction purposes in all...

Accounting
1.2K views

(Q1-3.) Yonsei Cafe decides to purchase a new roasting machine. The roasting machine is supposed...

Accounting
1.2K views

Cortez Company sells chairs that are used at computer stations. Its beginning inventory of chairs...

Accounting
1.2K views

Posters.com is a small Internet retailer of high-quality posters. The company has $720,000 in operating...

Finance
1.2K views

he nominal value of treasury bill is equal to 10 000 PLN. The price of...