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Radda [10]
3 years ago
13

Suppose you are interested in comparing brand A interior latex paint to brand B interior latex paint. Design an experiment to de

termine which paint is better for painting bathroomsbathrooms. Choose the best design for this experiment.
A. Completely randomized design because experimental units are paired up and there are only two levels of treatment.
B. ​Matched-pairs design because experimental units are paired up and there are only two levels of treatment.
Mathematics
1 answer:
jeyben [28]3 years ago
3 0

Answer:

b) Matched-pairs design

Step-by-step explanation:

The matched-pairs design is used when the experiments has two treatment conditions and subjects can grouped into pairs.

In this case, we can take the total numbers of bathrooms and split them into two groups, the first group will get the A interior latex paint (treatment 1) and the second one will get the B interior latex paint (treatment 2).

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Answer:

x = 60°

Step-by-step explanation:

The circle is 360°, thus

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x = 0.5 × 120° = 60°

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Everett says that 1 and 1/4 equals 4÷5 is he correct? explain.
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Answer: no

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Andrew claims the initial value and y - intercept are the same thing on a graph. Is he correct?
Agata [3.3K]

Answer:

We conclude that the initial value and y-intercept are the same thing on a graph.

Please check the attached graph of the equation y = 2x+1.

Step-by-step explanation:

We know that the initial value on a graph is basically the out-put value y of the point where the line meets or crosses the y-axis.

In other words, the initial value is the y-value or output of the point at x = 0

For example,

Let the equation

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substitute x = 0

y = 2(0)+1

y = 0+1

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Thus, the initial value of the equation y = 2x+1 is: y = 1

Please check the attached graph of the equation y = 2x+1.

It is clear from the graph that at x = 0, the value of y = 1.

Thus, at y = 1, the line meets the y-axis.

Hence, the initial value of the line is: y = 1

Similarly, we know that the value of the y-intercept can be determined by setting x = 0 and determining the corresponding value of y.

For example,

Let the equation

y = 2x+1

substitute x = 0

y = 2(0)+1

y = 0+1

y = 1

Thus, the y-intercept of y = 2x+1 is y = 1.

Please check the attached graph of the equation y = 2x+1.

It is clear from the graph that at x = 0, the value of y = 1.

Therefore, the y-intercept of y = 2x+1 is y = 1.

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Therefore, we conclude that the initial value and y-intercept are the same thing on a graph.

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