subject
Mathematics, 13.03.2020 05:05 Winechou

In a CRD with a qualitative factor A at 2 levels and a quantitative factor B at 3 levels, the researcher wants to know if the quadratic trend in the mean responses across the levels of factor B differ for the two levels of factor (A). Which of the following contrasts would address this question?

A. L=u31 - 2u32 + u33 + u21 - 2u22 + u23
B. L=u11 - 2u12 + u13 - u21 - 2u22 - u23
C. L=u11 - u12 - u13 - u21 + u22 + u23
D. L=u11 - u12 + u31 - u23
E. None of them appropriate.

ansver
Answers: 3

Another question on Mathematics

question
Mathematics, 21.06.2019 17:00
Use the graph of the sine function y=2sinθ shown below
Answers: 1
question
Mathematics, 21.06.2019 17:30
Lance lived in portugal and brazil for a total of 14 months to learn portuguese. he learned an average of 130 new words per month when he lived in portugal, and an average of 150 new words per month when he lived in brazil. in total he learned 1920 new words. write a system of equations to represent the situation. use x to represent portugal, and y to represent brazil
Answers: 1
question
Mathematics, 21.06.2019 17:30
What values of x satisfy the inequality x^2-9x< 0? how is your answer shown on the graph?
Answers: 2
question
Mathematics, 21.06.2019 18:30
The monetary value earned for selling goods or services to customers is called a.) revenue b.) assets c.) money d.) accounting
Answers: 2
You know the right answer?
In a CRD with a qualitative factor A at 2 levels and a quantitative factor B at 3 levels, the resear...
Questions
question
Mathematics, 30.07.2019 00:00
question
Computers and Technology, 30.07.2019 00:00
question
Biology, 30.07.2019 00:00