You believe that eating an apple a day is healthy and want to design an experiment to find out. You have available 40 volunteers (22 men and 18 women) from a four-year college, all between the ages of 18 and 22. Design an experiment to help you determine if this practice is healthy or not, and explain, in terms of the important principles of experimental design, why you chose the design you did.

answer:

it is general formula that is used to write value to its excet position

a11 a12 a13

a21 a22 a23

it is the example of order 2 by 3 matrix in this

a11 means value occur in 1 st row 1st column

a12 means value occurs in 1st row 2nd column

a13 means value occur in 1st row and 3rd column

a21 means value occurs in 2nd row and 1st column

a22 means value occurs in 2nd row and in 2nd column

a23 means value occurs in 2nd row and in 3rd column

answer: 486in^2

step-by-step explanation:

question 1: step-by-step explanation:

1/4 of 84 = 84÷4= 21

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6: 4= 3/2

18: 8= 9/4

нσρє ι ¢συℓ∂ нєℓρ уσυ