The method of tree-ring dating gave the following years A.D. for an archaeological excavation site. Assume that the population of x values has an approximately normal distribution. 1,285 1,187 1,285 1,285 1,285 1,306 1,320 1,285   (a) Find the sample mean year x and sample standard deviation s. (Round your answers to four decimal places.) x = A.D.s= yr (b) When finding an 85% confidence interval, what is the critical value for confidence level? (Give your answer to three decimal places.) tc =  What is the maximal margin of error when finding a 85% confidence interval for the mean of all tree-ring dates from this archaeological site? (Round your answer to the nearest whole number.) E =

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
icon
Related questions
Question
The method of tree-ring dating gave the following years A.D. for an archaeological excavation site. Assume that the population of x values has an approximately normal distribution.
1,285 1,187 1,285 1,285 1,285 1,306 1,320 1,285
 
(a)
Find the sample mean year x and sample standard deviation s. (Round your answers to four decimal places.)
x
= A.D.s= yr
(b)
When finding an 85% confidence interval, what is the critical value for confidence level? (Give your answer to three decimal places.)
tc = 
What is the maximal margin of error when finding a 85% confidence interval for the mean of all tree-ring dates from this archaeological site? (Round your answer to the nearest whole number.)
E = 
Find a 85% confidence interval for the mean of all tree-ring dates from this archaeological site. (Round your answers to the nearest whole number.)
lower limit A.D.upper limit A.D.
The method of tree-ring dating gave the following years A.D. for an archaeological excavation site. Assume that the population of x values has an approximately normal distribution.
1,285 1,187 1,285 1,285 1,285 1,306 1,320 1,285
 
(a)
Find the sample mean year x and sample standard deviation s. (Round your answers to four decimal places.)
x
= A.D.s= yr
(b)
When finding an 85% confidence interval, what is the critical value for confidence level? (Give your answer to three decimal places.)
tc = 
What is the maximal margin of error when finding a 85% confidence interval for the mean of all tree-ring dates from this archaeological site? (Round your answer to the nearest whole number.)
E = 
Find a 85% confidence interval for the mean of all tree-ring dates from this archaeological site. (Round your answers to the nearest whole number.)
lower limit A.D.upper limit A.D.
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 4 steps

Blurred answer
Knowledge Booster
Point Estimation, Limit Theorems, Approximations, and Bounds
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, statistics and related others by exploring similar questions and additional content below.
Similar questions
  • SEE MORE QUESTIONS
Recommended textbooks for you
MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc
Probability and Statistics for Engineering and th…
Probability and Statistics for Engineering and th…
Statistics
ISBN:
9781305251809
Author:
Jay L. Devore
Publisher:
Cengage Learning
Statistics for The Behavioral Sciences (MindTap C…
Statistics for The Behavioral Sciences (MindTap C…
Statistics
ISBN:
9781305504912
Author:
Frederick J Gravetter, Larry B. Wallnau
Publisher:
Cengage Learning
Elementary Statistics: Picturing the World (7th E…
Elementary Statistics: Picturing the World (7th E…
Statistics
ISBN:
9780134683416
Author:
Ron Larson, Betsy Farber
Publisher:
PEARSON
The Basic Practice of Statistics
The Basic Practice of Statistics
Statistics
ISBN:
9781319042578
Author:
David S. Moore, William I. Notz, Michael A. Fligner
Publisher:
W. H. Freeman
Introduction to the Practice of Statistics
Introduction to the Practice of Statistics
Statistics
ISBN:
9781319013387
Author:
David S. Moore, George P. McCabe, Bruce A. Craig
Publisher:
W. H. Freeman