Question

Ho-prodative are u·s. worten? Oe way to answer n·quetiristostudy annual profits peremployee. A rerdam urple of companies in amputer, Cn, aerospace cm. herv egapment am, and broadcasting CM gave folowing deta regarding ennuel profits per employee (units in thousands of dollars). 27.8 131 22.4173 23.69420.1162 14.6 86 12.915.5 7.7 10.3 8.1 11264 Shal we repectornet resect the dam that there is no dnmence in population mean mual profts per emporee in each orte our types of competes? U-a5%level of signn ance. a) What is the level of significance? State the nul and aiternate hypotheses Mp-R--ai M Exactly two means are equal O Hel pa: M: Al four means are different One: p; _ -R) _Ha; Ni : Nof all the means are equal. ome' ?.-P2-H, .gai ~r: Exactly three means are equal %) Find ssres ssary, and SSw and deck that ssror-sserr . ssw?Use 3 dome. SSror- Seer- ) Find d.f.gen d.f.w. Mr and MSa (Use 3 decimal places for MSpet and MSw- er MSw. Find the value of the sample F stacistic. (use 3 decimel places.)

Answer 1