Homework Help is Here – Start Your Trial Now!
Math
Statistics
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. 1,243 1,285 1,285 1,299 1,268 1,316 1,275 1,317 1,275 USE SALT (a) Use a calculator with mean and standard deviation keys to find the sample mean year x and sample standard deviation s. (Round your answers to four decimal places.) X = 1284.7 X A.D. 22.1225 X yr S = (b) When finding an 90% confidence interval, what is the critical value for confidence level? (Give your answer to three decimal places.) t = 1.645 X What is the maximal margin of error when finding a 90% confidence interval for the mean of all tree-ring dates from this archaeological site? (Round your answer to the nearest whole number.) E = 13.5406 x Find a 90% confidence interval for the mean of all tree-ring dates from this archaeological site. (Round your answers to the nearest whole number.) lower limit 1270 A.D. upper limit 1298 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. 1,243 1,285 1,285 1,299 1,268 1,316 1,275 1,317 1,275 USE SALT (a) Use a calculator with mean and standard deviation keys to find the sample mean year x and sample standard deviation s. (Round your answers to four decimal places.) X = 1284.7 X A.D. 22.1225 X yr S = (b) When finding an 90% confidence interval, what is the critical value for confidence level? (Give your answer to three decimal places.) t = 1.645 X What is the maximal margin of error when finding a 90% confidence interval for the mean of all tree-ring dates from this archaeological site? (Round your answer to the nearest whole number.) E = 13.5406 x Find a 90% confidence interval for the mean of all tree-ring dates from this archaeological site. (Round your answers to the nearest whole number.) lower limit 1270 A.D. upper limit 1298 A.D. ✓

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section: Chapter Questions
Problem 9PT
See similar textbooks
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. 1,243 1,285 1,285 1,299 1,268 1,316 1,275 1,317 1,275 USE SALT (a) Use a calculator with mean and standard deviation keys to find the sample mean year x and sample standard deviation s. (Round your answers to four decimal places.) X = 1284.7 X A.D. 22.1225 x yr S = (b) When finding an 90% confidence interval, what is the critical value for confidence level? (Give your answer to three decimal places.) t = 1.645 X What is the maximal margin of error when finding a 90% confidence interval for the mean of all tree-ring dates from this archaeological site? (Round your answer to the nearest whole number.) E = 13.5406 x Find a 90% confidence interval for the mean of all tree-ring dates from this archaeological site. (Round your answers to the nearest whole number.) lower limit 1270 A.D. upper limit 1298 A.D. ✓ ✔
Transcribed Image Text: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. 1,243 1,285 1,285 1,299 1,268 1,316 1,275 1,317 1,275 USE SALT (a) Use a calculator with mean and standard deviation keys to find the sample mean year x and sample standard deviation s. (Round your answers to four decimal places.) X = 1284.7 X A.D. 22.1225 x yr S = (b) When finding an 90% confidence interval, what is the critical value for confidence level? (Give your answer to three decimal places.) t = 1.645 X What is the maximal margin of error when finding a 90% confidence interval for the mean of all tree-ring dates from this archaeological site? (Round your answer to the nearest whole number.) E = 13.5406 x Find a 90% confidence interval for the mean of all tree-ring dates from this archaeological site. (Round your answers to the nearest whole number.) lower limit 1270 A.D. upper limit 1298 A.D. ✓ ✔
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 6 steps with 6 images

SEE SOLUTIONCheck out a sample Q&A here
Blurred answer
Recommended textbooks for you
Glencoe Algebra 1, Student Edition, 9780079039897…
Glencoe Algebra 1, Student Edition, 9780079039897…
Algebra
ISBN:
9780079039897
Author:
Carter
Publisher:
McGraw Hill
SEE MORE TEXTBOOKS