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# [Round all Intermediate calculations to at least 4 decimal places].L Wanton Powerspor'ls produces dune buggies They have Ihree assembly lines....

Wenton Powersports produces dune buggies. They have three assembly lines, "Razor," "Blazer," and "Tracer," named after the particular dune buggy models produced on those lines. Each assembly line was originally designed using the same target production rate. However, over the years, various changes have been made to the lines. Accordingly, management wishes to determine whether the assembly lines are still operating at the same average hourly production rate. Production data (in dune buggies/hour) for the last eight hours are as follows.

[Round all Intermediate calculations to at least 4 decimal places].L Wanton Powerspor'ls produces dune buggies They have Ihree assembly lines. 'Ftazor,’ 'EIazer.’ and
'T'raoar.’r named alter d1e particular dune buggy models produced on those lines. Each assembly line was
originally designed using the same target produuion rate. However. over Ihe years. Iii'arious 1::i1ar1ges have
been made to lhe lines. Aocordingly. management wishes to determine whether the assembly lines are still
operaling at the same average hourly production rate. Produclion data [in dune buggiesi'hour} for the last
eight hours are as follows. Emor- HHEH' Tracer 12 1o 2 11 a s s 11 1e 111 e e s 11 e e 111 r 12r 11 e 11 a s
11! = 10.50011 1? = arses 1? = 3.525:
5f = 2.21152r as = 1.5429 s a asses 1: 9.52511 I— a. Bonstmct an ANNA table. Assume production rates are normally distributed. {Round 35, H5, and F110
2 decimal places and p-yalue 1o 4 decimal placate] move
Worm 33 _ df _ _M'S F
Eat'laen amps : : - i i : :
Within Groups Total b. Specify li1e competing hypolheses to test Mather there are some differences in li1e mean production
rates actoss the line assembly lines. 'H‘ Ha: pm= Herm= ﬁrm HA: Not all population means are equal.
'“ Ha: “Razors palm 511mm HA: Not all population means are equal &quot;q“ Ha: “Meow 211mm HA: Not all population means are equal. 1:-'l. At the 5% signiﬁcance level. wrist is the conclusion oi the test“? Fla—we [Gllclrtoseleot] c MMMMmWrdﬂmh
somepruﬂrdionlnes. c-E. What about the 10% signiﬁcance level? {Cldrtoselad} c Hmwe [Glcktoselect] c Whethmnmhﬂhﬁurdmu
summodtnﬂpnlnes.

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