A random survey of enrollment at 2020 community colleges across the United States yielded the following figures: 21,912; 2,160; 9,414; 7,681; 3,200; 17,500; 9,200; 7,380; 18,314; 6,557; 13,713; 17,768; 7,493; 2,771; 2,861; 1,263; 7,285; 28,165; 5,080; 11,710. (A) Assume the underlying population is normal. i.) xˉ= ii.) sx= iii.) n= iv.) n−1= (B.) Construct a 97%97% confidence interval for the population mean enrollment at community colleges in the United States. Enter your answer in interval notation.
A random survey of enrollment at 2020 community colleges across the United States yielded the following figures: 21,912; 2,160; 9,414; 7,681; 3,200; 17,500; 9,200; 7,380; 18,314; 6,557; 13,713; 17,768; 7,493; 2,771; 2,861; 1,263; 7,285; 28,165; 5,080; 11,710. (A) Assume the underlying population is normal. i.) xˉ= ii.) sx= iii.) n= iv.) n−1= (B.) Construct a 97%97% confidence interval for the population mean enrollment at community colleges in the United States. Enter your answer in interval notation.
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section: Chapter Questions
Problem 8CR
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A random survey of enrollment at 2020 community colleges across the United States yielded the following figures:
21,912; 2,160; 9,414; 7,681; 3,200; 17,500; 9,200; 7,380; 18,314; 6,557; 13,713; 17,768; 7,493; 2,771; 2,861; 1,263; 7,285; 28,165; 5,080; 11,710.
(A) Assume the underlying population is normal.
i.) xˉ=
ii.) sx=
iii.) n=
iv.) n−1=
(B.) Construct a 97%97% confidence interval for the population mean enrollment at community colleges in the United States.
Enter your answer in interval notation.
Round your answer to the nearest integer.
Do not round any intermediate calculations.
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