Independent random samples were selected from two quantitative populations, with sample sizes, means, and standard deviations given n₁ = 60, n₂ = 70₁x₁ = 35.2, x₂ = 31.2, S₁ = 5.2, S₂ = 3.9 Construct a 95% confidence interval for the difference in the population means (μ₁ - μ₂). (Round your answers to two decimal places.) X to X Find a point estimate for the difference in the population means. 4.0 Calculate the margin of error. (Round your answer to two decimal places.) X

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section: Chapter Questions
Problem 22SGR
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Independent random samples were selected from two quantitative populations, with sample sizes, means, and standard deviations given below.
=
5.2, 52
60, n₂ = 70, X₁ = 35.2, X₂ = 31.2, S₁
n1
=
= 3.9
Construct a 95% confidence interval for the difference in the population means (μ₁ − µ₂). (Round your answers to two decimal places.)
X to
Find a point estimate for the difference in the population means.
4.0
Calculate the margin of error. (Round your answer to two decimal places.)
Transcribed Image Text:Independent random samples were selected from two quantitative populations, with sample sizes, means, and standard deviations given below. = 5.2, 52 60, n₂ = 70, X₁ = 35.2, X₂ = 31.2, S₁ n1 = = 3.9 Construct a 95% confidence interval for the difference in the population means (μ₁ − µ₂). (Round your answers to two decimal places.) X to Find a point estimate for the difference in the population means. 4.0 Calculate the margin of error. (Round your answer to two decimal places.)
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