Essay
THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION:
In a stratified random sample of students on a small campus,sample members were asked to rate,on a scale of 1 (poor)to 5 (excellent),opportunities for extracurricular activities.The results are shown in the table below.
-If a total sample of 120 students is taken,determine the number of freshmen and sophomores under the optimum allocation scheme,assuming that the stratum population standard deviations are the same as the corresponding sample values.
Correct Answer:
Verified
n1 = 
× n ...View Answer
Unlock this answer now
Get Access to more Verified Answers free of charge
Correct Answer:
Verified
× n ...
View Answer
Unlock this answer now
Get Access to more Verified Answers free of charge
Q90: In order to take a simple random
Q91: THE NEXT QUESTIONS ARE BASED ON THE
Q92: In stratified random sampling,it is necessary to
Q93: An unbiased estimation procedure for the variance
Q94: THE NEXT QUESTIONS ARE BASED ON THE
Q96: THE NEXT QUESTIONS ARE BASED ON THE
Q97: THE NEXT QUESTIONS ARE BASED ON THE
Q98: In which of the following sampling methods
Q99: THE NEXT QUESTIONS ARE BASED ON THE
Q100: From the unbiased estimation procedure for the