suppose that the district official takes her sample and gets x = 61.8. Use all the given information to construct a 99% confidence interval for the mean score of all the sixth graders in the district.
suppose that the district official takes her sample and gets x = 61.8. Use all the given information to construct a 99% confidence interval for the mean score of all the sixth graders in the district.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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![A district official intends to use the mean of a random sample of 150 sixth graders
from a very large school district to estimate the mean score that all the sixth
graders in the district would get if they took a certain arithmetic achievement
test. If, based on experience, the official knows that = 9.4 for such data,
suppose that the district official takes her
sample and gets = 61.8. Use all the given information to construct a 99%
confidence interval for the mean score of all the sixth graders in the district.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fa6fba6bb-d37a-4083-9dd0-c78dde0258b1%2Fdb7bfd28-0725-4e7a-b4b5-babea138d6e0%2F9d84d3o_processed.png&w=3840&q=75)
Transcribed Image Text:A district official intends to use the mean of a random sample of 150 sixth graders
from a very large school district to estimate the mean score that all the sixth
graders in the district would get if they took a certain arithmetic achievement
test. If, based on experience, the official knows that = 9.4 for such data,
suppose that the district official takes her
sample and gets = 61.8. Use all the given information to construct a 99%
confidence interval for the mean score of all the sixth graders in the district.
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