Content: 40420183348190.zip (56.97 KB )
Uploaded: 20.04.2014

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Description

  • CHALLENGE


  • There are sample data about the depth of plowing the fields for winter crops (X, cm) and yield (Y. n \\ n):


  • X 10 15 20 25 30

  • Y May 10 16 20 24


  • For a = 0.05 to establish the significance of the statistical relationship between the signs of X and Y.

  • If symptoms are correlated, build the regression equation, and explain its meaning.

  • Make a forecast yield of wheat in the plowing depth of 22 cm.


Additional information

  • CHALLENGE


  • There are sample data about the depth of plowing the fields for winter crops (X, cm) and yield (Y. n \\ n):


  • X 10 15 20 25 30

  • Y May 10 16 20 24


  • For a = 0.05 to establish the significance of the statistical relationship between the signs of X and Y.

  • If symptoms are correlated, build the regression equation, and explain its meaning.

  • Make a forecast yield of wheat in the plowing depth of 22 cm.

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