Which of the following characteristics of experiments are also characteristics of surveys?
Check all that apply.
I A. The study involves one or more treatment groups and a control
group.
B. Replication with different groups of subjects can improve the
reliability of the study.
I c. Data are gathered during the course of the study.
D. The study compares two or more treatments (possibly including
"no treatment").
O E Statistical analysis is applied to the results of the study.
SUBMIT

hi, i am not sure about this one but i think its d,

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step-by-step explanation:

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a) 0

step-by-step explanation:

i^413 x i^0 = 0 as any number multiplied by a zero is

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none.

step-by-step explanation:

m

1

=

5

m1=5

b

=

−

1

b=-1

find the slope and y-intercept of the second equation.

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m

2

=

0

m2=0

b

=

−

6

b=-6

compare the slopes

m

m of the two equations.

m

1

=

5

,

m

2

=

0

m1=5,m2=0

compare the two slopes in the decimal form. if the slopes are equal, then the lines are parallel. if the slopes are not equal, then the lines are not parallel.

m

1

=

5

,

m

2

=

0

m1=5,m2=0