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w 1 O The use of cellular phones in automobiles has increased dramatically in the last few years. Of concern to traffic experts, as well
w 1 O The use of cellular phones in automobiles has increased dramatically in the last few years. Of concern to traffic experts, as well as to ' manufacturers of cellular phones, is the effect on accident rates. ls someone who is using a cellular phone more likely to be involved in a traffic accident? What is your conclusion from the following sample information? Use the 0.05 significance level. Had Accident in the Did Not Have an Accident in ' Last Year the Last Year lnm Uses a cell phone 17 219 Does not use a cell phone 51 310 eBook P Click here for the Excel Data File rint [eferenceg He: There is no relationship between phone use and accidents. H1: There is a relationship between phone use and accidents. 3. State the decision rule using 0.05 significance level. (Round your answer to 3 decimal places.) b. Compute the value of chi-square. (Round your answer to 3 decimal places.) 10 Chi-square value points eBook Print References c. What is your decision regarding He? Ho. There is evidence to conclude that a relationship exists between phone use and accidents
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