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A study was conducted to determine the effects of two factors on the latherability of soap....

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Question

Statistics

  1. A study was conducted to determine the effects of two factorson the latherability of soap. The two factors were type of water(tap or distilled) and glycerol (present or absent). The outcomemeasured was the amount of foam produced (in milliliters). Theexperiment was repeated three times for each combination of thefactors. The results are as follows.

No

Glycerol

Glycerol

Distilled Water

165

181

168

170

197

190

Tap Water

155

142

139

139

160

160

Analyze the data using a=.05.

Conduct the following tests. It may not be necessary to performall tests. Use a =.05. Please show all work

  1. Test for Interaction

H0:

Ha:

Test statistic value:

p-value:

State your conclusion:

b.Test for the effect of glycerol

H0:

Ha:

Test statistic value:

p-value:

State your conclusion:

c.Test for the effect of type ofwater

H0:

Ha:

Test statistic value:

p-value:

State your conclusion:

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