Various employees for work productivity

Reference no: EM13966119

The management of a grocery store observes various employees for work productivity. Table 10.3.3 gives the number of customers served by each of its four checkout lanes per hour.

Table
Lane 1	Lane 2	Lane 3	Lane 4
16	11	8	21
18	14	12	16
22	10	17	17
21	10	10	23
15	14	13	17
10		15

(a) Construct an analysis-of-variance table and interpret the results. Indicate any assumptions that were necessary.

(b) Test whether there is a difference between the mean number of customers served by the four employees at the 0.05 level. Assume that the conditions of completely randomized design are met.

Reference no: EM13966119

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