Mathematics, 24.06.2019 20:50 santosbeti90
Suppose a consumer product researcher wanted to find out whether a typical highlighter lasted < the manufacturer’s claim that their highlighters could write continuously for 14 hours. the researcher tested a random sample of 30 highlighters and recorded the number of continuous hours each highlighter wrote before drying up. the summary statistics from this sample are ¯x = 13.6 hours and s = 1.3 hours. test the hypothesis that the mean highlighter from this manufacturer writes for < 14 continuous hours using a significance level of α = 0.05.
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Suppose a consumer product researcher wanted to find out whether a typical highlighter lasted <...
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