Mean (mm) Corn diet (group 1) 2.05 Cotton diet (group 2) 1.54 Variance (mm²) 0.00558 0.0812 Sample size, n 21 24 a. What is the best test to use for comparing the means of the two groups? Why? b. Carry out the test identified in part (a), using a = 0.01.
Mean (mm) Corn diet (group 1) 2.05 Cotton diet (group 2) 1.54 Variance (mm²) 0.00558 0.0812 Sample size, n 21 24 a. What is the best test to use for comparing the means of the two groups? Why? b. Carry out the test identified in part (a), using a = 0.01.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter4: Equations Of Linear Functions
Section4.5: Correlation And Causation
Problem 23PFA
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Question
My answer is as follows:
T critical = 2.70
T value= 7.775
P< a (0.01)
Therefore we reject the null.
Is this correct?
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