Reading speed andaccuracy were combined into areadability performance score (x),where a higher score represents2.better font readability.a. Use a 0.05 significance levelto test the claim that there isno significant difference inreadability between Romanand Arial fonts.b. Constructthe95%intervaltesting the claim in part a.confidenceforRoman: n, = 24 = 66.25 s =12.96Arial:n, = 24 | = 65.62 s=9.93

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Answered: Reading speed and accuracy were…

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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Reading speed and accuracy were combined into a readability performance score (x), where a higher score represents better font readability. a. Use a 0.05 significance level to test the claim that there is no significant difference in readability between Roman and Arial fonts. b. Construct the 95% confidence interval for testing the claim in part a. Roman: 1 24n= 66.25x= 12.96s= Arial: 1 24n= 65.62x= 9.93s=
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