To find: The
Answer to Problem 14CQ
The
Explanation of Solution
Given information:
The sample is
Concept used:
Excel formula is used.
Calculation:
The point estimate for the difference is,
The formula for degree of freedom is,
Assume level of significance as
For
The formula for margin of error is,
The confidence interval is given as,
Therefore, the
Want to see more full solutions like this?
Chapter 10 Solutions
ELEMENTARY STATISTICS(LL)(FD)
- Find and interpret the 95% confidence interval forμ, if ¯y = 70 and s = 10, based on a sample size of (a) 5,(b) 20.arrow_forwardConstruct both a 80% and a 98% confidence interval for ,. B = = 50, s = 8.8, Spa = 45, n= 21 80% : < B1< 98% : s is the square root of the mean squared error VMSE and Sr is the sum of the squared deviations from mean for , Spz = (x; – x)².arrow_forward
- Glencoe Algebra 1, Student Edition, 9780079039897...AlgebraISBN:9780079039897Author:CarterPublisher:McGraw HillBig Ideas Math A Bridge To Success Algebra 1: Stu...AlgebraISBN:9781680331141Author:HOUGHTON MIFFLIN HARCOURTPublisher:Houghton Mifflin Harcourt