1 - 5 refer to the following situation: Because of a manpower shortage the State
ID: 3157297 • Letter: 1
Question
1 - 5 refer to the following situation: Because of a manpower shortage the State Highway Patrol has been forced to divide state roads under its jurisdiction into three categories: l-lightly patrolled. Il-moderately patrolled, and lll-heavily patrolled. A random sample of 20 roads was selected and the numbers of accidents reported on each during the previous 18 months was tabulated. Is there a difference in the mean numbers of accidents per road for the three categories? Use the.05 significance level. What is the obtained F value? 132.87 7.82 140.59 265.8Explanation / Answer
Using technology, we get the following summary of one-way anova:
Hence, we get the F value of
F = 132.8671423 = 132.87 [ANSWER, A]
*****************************************************
Hi! There are many different technologies available, like graphing calculators, spreadsheets, and you can even find some online tools in specific problems like this (one-way anova). Thanks!
Anova: Single Factor SUMMARY Groups Count Sum Average Variance Column 1 8 472 59 68.57143 Column 2 5 134 26.8 12.7 Column 3 7 61 8.714286 15.2381 ANOVA Source of Variation SS df MS F P-value F crit Between Groups 9726.321 2 4863.161 132.8671 4.19E-11 3.591531 Within Groups 622.2286 17 36.60168 Total 10348.55 19Related Questions
Navigate
Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.