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=

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
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ISBN:9780079039897
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Chapter4: Equations Of Linear Functions
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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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