The compressive strength of concrete is being studied, and four different mixing techniques are being investigated. Using the data gathered below: a. Construct the ANOVA table b. Test the hypothesis...

The compressive strength of concrete is being studied, and four different mixing techniques are being investigated. Using the data gathered below:

a. Construct the ANOVA table

b. Test the hypothesis that mixing techniques affect the strength of the concrete. Use alpha = 0.01

Extracted text: Mixing Compressive Strength (psi) Technique 1 2 3 4 1 7 15 11 2 12 17 13 18 3 14 18 19 17 4 19 25 22 23