The article "Prediction of Performance and Evaluation of Flexible Pavement RehabilitationStrategies" (K. Lee, K. Wilson, and S. Hassan, Journal of Traffic and TransportationEngineering, 2017:178–184), describes methods used to rehabilitate Route 165 in the townof Exeter, Rhode Island. The following table presents monthly counts of two-axle and five-axle trucks during a recent year. The results are presented in the following table.MonthTwo-axleFive-axleDifferenceJanuary11681301-133February14661495-29March13891966-5772136AprilMay1691-44521162015101June21092180-712115JulyAugustSeptember24323172523206445924082234174October18992144-245November12961781-485December13331625-292Can you conclude that the monthly means differ between the two types of trucks?

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Asked Feb 22, 2020
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The article "Prediction of Performance and Evaluation of Flexible Pavement Rehabilitation
Strategies" (K. Lee, K. Wilson, and S. Hassan, Journal of Traffic and Transportation
Engineering, 2017:178–184), describes methods used to rehabilitate Route 165 in the town
of Exeter, Rhode Island. The following table presents monthly counts of two-axle and five-
axle trucks during a recent year. The results are presented in the following table.
Month
Two-axle
Five-axle
Difference
January
1168
1301
-133
February
1466
1495
-29
March
1389
1966
-577
2136
April
May
1691
-445
2116
2015
101
June
2109
2180
-71
2115
July
August
September
2432
317
2523
2064
459
2408
2234
174
October
1899
2144
-245
November
1296
1781
-485
December
1333
1625
-292
Can you conclude that the monthly means differ between the two types of trucks?
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The article "Prediction of Performance and Evaluation of Flexible Pavement Rehabilitation Strategies" (K. Lee, K. Wilson, and S. Hassan, Journal of Traffic and Transportation Engineering, 2017:178–184), describes methods used to rehabilitate Route 165 in the town of Exeter, Rhode Island. The following table presents monthly counts of two-axle and five- axle trucks during a recent year. The results are presented in the following table. Month Two-axle Five-axle Difference January 1168 1301 -133 February 1466 1495 -29 March 1389 1966 -577 2136 April May 1691 -445 2116 2015 101 June 2109 2180 -71 2115 July August September 2432 317 2523 2064 459 2408 2234 174 October 1899 2144 -245 November 1296 1781 -485 December 1333 1625 -292 Can you conclude that the monthly means differ between the two types of trucks?

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