Question: (Weight 15 points) Using the data from #1 above:

y = monthly labor hours required

X1 = monthly x-ray exposures

X2 = monthly occupied bed days

X3 = average length of patient stay ( in days)

Monthly Labor Hrs X-Ray exposures Occupied Bed Days Length of Stay

566.2 2463 472.92 4.45

696.82 2048 1339.75 6.92

1033.15 3940 620.25 4.28

1603.62 6505 568.33 3.90

1611.37 5723 1497.6 5.50

1613.27 11520 1365.83 4.60

1854.17 5779 1687.00 5.62

2160.55 5969 1639.92 5.15

2305.58 8461 2872.33 6.18

3503.93 20106 3655.08 6.15

3571.89 13313 2912.00 5.88

3741.40 10771 3921.00 4.88

4026.52 15543 3865.67 5.50

11732.17 34703 12446.33 10.78

15414.94 39204 14098.40 7.05

18854.45 86533 15524.00 6.35

Find the t statistics for testing \({{H}_{0}}:{{B}_{j}}=0\) vs. \({{H}_{a}}:{{B}_{j}}\ne 0\), and report their values. Show how these t values were calculated.

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Solution: The downloadable solution consists of 2 pages
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