Solved

THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION

Question 3

Multiple Choice

THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION:
A supermarket chain has 25 stores in the North,30 in the South,50 in the Midwest,and 35 in the West.Using a proportional allocation of a random sample of 30% of the outlets,the manager records the following means and standard deviations.
THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION: A supermarket chain has 25 stores in the North,30 in the South,50 in the Midwest,and 35 in the West.Using a proportional allocation of a random sample of 30% of the outlets,the manager records the following means and standard deviations. -Find a 95% confidence interval for the total sales. A) 19976.60 ± 450.85 B) 19976.60 ± 284.21 C) 19976.60 ± 729.90 D) 19976.60 ± 605.83
-Find a 95% confidence interval for the total sales.


A) 19976.60 ± 450.85
B) 19976.60 ± 284.21
C) 19976.60 ± 729.90
D) 19976.60 ± 605.83

Correct Answer:

verifed

Verified

Related Questions

Q1: THE NEXT QUESTIONS ARE BASED ON THE

Q2: If stratified random sampling is employed,the pilot

Q4: For a sample of 145 observations from

Q5: THE NEXT QUESTIONS ARE BASED ON THE

Q6: THE NEXT QUESTIONS ARE BASED ON THE

Q7: THE NEXT QUESTIONS ARE BASED ON THE

Q8: THE NEXT QUESTIONS ARE BASED ON THE

Q9: An apartment complex manager randomly selects 10

Q10: THE NEXT QUESTIONS ARE BASED ON THE

Q11: A stratified sampling technique is used when