The average number of accidents at controlled intersections per
year is 4.3. Is this average less...
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The average number of accidents at controlled intersections peryear is 4.3. Is this average less for intersections with camerasinstalled? The 43 randomly observed intersections with camerasinstalled had an average of 3.7 accidents per year and the standarddeviation was 1.47. What can be concluded at the αα = 0.01 level ofsignificance?
Can you please explain the steps of how to obtain the P valueand test statistic using a graphing calculator?
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n 43The test hypothesis isNow the value of test static can be found out by followingformulaUsing
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