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What type of t-test would be most appropriate to test the hypothesis that their average estimated percentile ranking (68%) was significantly greater than 50%?

What type of t-test would be most appropriate to test the hypothesis that their average estimated percentile ranking (68%) was significantly greater than 50%?

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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13. 

Kruger and Dunning (1999) published a paper called "Unskilled and Unaware of It", in which they examined the hypothesis that people who perform badly on tasks are unaware of their general logical reasoning skills. Each student estimated at what percentile he/she scored on a test of logical reasoning-- the eleven students who scored in the bottom 25% estimated on average that they were in the 68th percentile! What type of t-test would be most appropriate to test the hypothesis that their average estimated percentile ranking (68%) was significantly greater than 50%?
Group of answer choices
matched-subjects t-test
independent-samples t-test
repeated-measures t-test
one-sample t-test
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