An IQ test is designed so that the mean is 100 and the standard deviation...

90.2K

Verified Solution

Question

Statistics

image

An IQ test is designed so that the mean is 100 and the standard deviation i 14 for the population of normal adults Find the sample size necessary to estimate the mean IQ score of statistics students such that it can be said with 99 confidence that the sample mean is within 3 IQ points of the true mean Assume that o 14 and determine the required sample size using technology Then determine if this is a reasonable sample size for a real world calculation The required sample size is 145 Round up to the nearest integer Would it be reasonable to sample this number of students O No This number of IQ test scores is a fairly large number Yes This number of IQ test scores is a fairly large number No This number of IQ test scores is a fairly small number OYes This number of IQ test scores is a fairly small number

Answer & Explanation Solved by verified expert
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