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Contrary to popular opinion, a psychologist claims that the mean IQ score of math instructors is more than 100. She surveyed 25 of them and found their mean at 120 with a standard deviation of 30. State the null and alternative hypotheses. (A) H₁ μ=100; H₂₁:μ‡ 100 B HU≤100; H_" >100 Hj ≤ 100; H : " 2 100 A H" =100; H: " >100 A (D

Contrary to popular opinion, a psychologist claims that the mean IQ score of math instructors is more than 100. She surveyed 25 of them and found their mean at 120 with a standard deviation of 30. State the null and alternative hypotheses. (A) H₁ μ=100; H₂₁:μ‡ 100 B HU≤100; H_" >100 Hj ≤ 100; H : " 2 100 A H" =100; H: " >100 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
Section10.3: Measures Of Spread
Problem 1GP
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Contrary to popular opinion, a psychologist claims that the mean IQ score of math instructors is more than 100. She surveyed 25 of them and found their mean at 120 with a standard deviation of 30. State the null and alternative hypotheses. A Ha=100; H&#100 B Ho ≤ 100; H: μ > 100 C Hj R≤ 100; H : " 2 100 A D H₁ μ = 100; H₁ μ > 100
Transcribed Image Text:Contrary to popular opinion, a psychologist claims that the mean IQ score of math instructors is more than 100. She surveyed 25 of them and found their mean at 120 with a standard deviation of 30. State the null and alternative hypotheses. A Ha=100; H&#100 B Ho ≤ 100; H: μ > 100 C Hj R≤ 100; H : " 2 100 A D H₁ μ = 100; H₁ μ > 100
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