The accompanying data set contains four variables, x 1 , x 2 , x 3 , and x 4 a Subset the data set to include only observations that have a date on or after May 1, 1975, for x 3 How many observations are in the subset data b Split the data set based on the binary values for x 4 What are the average...

a There are 25 observations in the ...

The accompanying data set contains four variables, x 1 , x 2 , x 3 , and

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The accompanying data set contains four variables, x₁, x₂, x₃, and x₄.
a. Subset the data set to include only observations that have a date on or after May 1, 1975, for x₃. How many observations are in the subset data?

b. Split the data set based on the binary values for x₄. What are the average values for x1 for the two subsets?

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The accompanying data set contains four variables, x 1 , x 2 , x 3 , and

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Business Analytics Communicating With Numbers

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