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One-tailed left directional Test B One-tailed right directional Test (C) Non-tailed Test (D) Two-tailed Test

One-tailed left directional Test B One-tailed right directional Test (C) Non-tailed Test (D) Two-tailed Test

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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(A) One-tailed left directional Test B One-tailed right directional Test (C) Non-tailed Test D) Two-tailed Test
Transcribed Image Text:(A) One-tailed left directional Test B One-tailed right directional Test (C) Non-tailed Test D) Two-tailed Test
The Mathematics Department in a certain university is conducting a study to determine how long it takes it graduates to find a job. A sample of 26 gra ites was surveyed and it was found that the average time it has taken a graduate to find a new job is 3.5 months with a standard deviation of 1.5 months. Is there sufficient evidence to conclude that the graduates of this department take on the average at most three months to find a job at 10% level of significance?
Transcribed Image Text:The Mathematics Department in a certain university is conducting a study to determine how long it takes it graduates to find a job. A sample of 26 gra ites was surveyed and it was found that the average time it has taken a graduate to find a new job is 3.5 months with a standard deviation of 1.5 months. Is there sufficient evidence to conclude that the graduates of this department take on the average at most three months to find a job at 10% level of significance?
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