The VA has collected the past month’s data from sixteen hospitals. The VA believed the selected...

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Basic Math

  1. The VA has collected the past month’s data from sixteenhospitals. The VA believed the selected hospitals were efficientlyrun. The objective is to derive a model based on the efficienthospitals to use to comparatively evaluate questionablehospitals.

    The data are:

    y = monthly labor spent

    x1 = monthly X-ray exposures

    x2 = monthly occupied bed days

    x3 = average number of days of a patient’s stay

    SUMMARY OUTPUT

    Regression Statistics

    Multiple R

    0.9981

    R Square

    0.9961

    Adjusted R2

    0.9952

    Standard Error

    387.1598

    Observations

    16

    ANOVA

    df

    SS

    MS

    14896.25

    15896.25

    16009.25

    16896.25

    17986.25

  1. The previous multiple regression model is significant to whatlevel?

    It is not significant

    0.05

    0.01

    0.001

    0.0000

  1. In the VA prolem which is the most significant independentvariable?

    X-ray

    BedDays

    Length of stay

Answer & Explanation Solved by verified expert
4.3 Ratings (767 Votes)
We use the below F test to test the significance of theregression model Where is 09961k number of independent variables 3n no of observations 16F    See Answer
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