Logo
Home Study Material Contact Search
AI Chat FREE
  1. mathematics
  2. statistics
  3. 3. a researcher is trying to determine the average

3. A researcher is trying to determine the average SAT score for 2018 SAT test-takers. (which...

50.1K

Verified Solution

Question

Statistics

3. A researcher is trying to determine the average SAT score for2018 SAT test-takers. (which is known to follow normaldistribution). He gathers a sample of 11 students and calculates x̄ = 990 and s = 230. What is the 95% confidence interval for themean IQ of Canadians, based off of this sample?

Answer & Explanation Solved by verified expert
3.7 Ratings (649 Votes)
Solution Given thatPoint estimate sample mean 990sample standard deviation s 230sample    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

Chemistry
1.2K views

For a concentration cell: Zn/Zn2+ (0.05M)//Zn2+(1M)/Zn E= 0.035 volt a. What can you say about the measured emf...

Medical Sciences
1.2K views

Anybody want a peanut? Andre the Giant had gigantism AND acromegaly from a somatotrophic pituitary adenoma....

Physics
1.2K views

A 0.870 m long brass pendulum experiences a 21.0°C temperature increase. (a) Calculate the original period...

Mechanical Engineering
1.2K views

The inner and outer surface temperatures of a glass window 5 mm thick are 15 and...

Psychology
1.2K views

Is it always best to look at the positive aspect of the situation? Give an example.

General Management
1.2K views

What is the most critical weakness that MICROSOFT has ? Why do you consider this a...

Physics
1.2K views

1 All the particles of a body are situated at a distance R from the...

Statistics
1.2K views

Determine the t score used for each confidence interval Report to 3 decimal places A...

Calculus
1.2K views

Consider the series+ + + 27 +31 +....Does the series converge or diverge?Select answers from...

Calculus
1.2K views

Solve the equation by applying the square root property.(2x-1) = 49Oa) {-6,8}Ob){-8,6}Od) {-4,3}Od (-3,4}d)

Accounting
1.2K views

On the basis of the following data, determine the value of the inventory at the...

Accounting
1.2K views

elow are the processing costs of Darnell Products observed over the last 10 months: Month...