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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