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A dataset containing the rate of return of share of different companies. The variables are as follows:
A dataset containing the rate of return of share of different companies. The variables are as follows:
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A data frame with 27 rows and 2 variables
level. Level of theur average expenditures for researhc and development in the past three years ("Low","Moderate","High")
improvement. Productivity improvement in a scale from 0 to 100.
level. Level of theur average expenditures for researhc and development in the past three years ("Low","Moderate","High")
improvement. Productivity improvement in a scale from 0 to 100.
Neter Kutner Nachtsheim and Wasserman, Applied Linear Statistical Models, fourth ed., p.703.
Neter Kutner Nachtsheim and Wasserman, Applied Linear Statistical Models, fourth ed., p.703.
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