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padilas [110]
3 years ago
11

If a relationship has practical significance, does it guarantee that statistical significance will be achieved in every study th

at examines it? Explain.
Mathematics
1 answer:
lbvjy [14]3 years ago
6 0

Answer:

  No.

Step-by-step explanation:

Different studies have different biases and confounding effects, sometimes known or discovered, sometimes not. One of the confounding effects rarely accounted for properly is the bias of the experimenter. As a consequence, statistical significance cannot be assured in the study of an effect, even though an effect is real and reliable.

___

See Cleve Baxter's book <em>Primary Perception</em> for a more in-depth discussion of experimenter bias.

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The figure shows an aerial view of a playground. If David runs around the field three times, he covers a distance of_____yards.
Andrew [12]

For this case, what we must do is find three times the perimeter of the figure.

The length of the arch is given by:

s = r * \alpha

Where,

r: radius of the circle

alpha: central angle in radians

We have then:

s = 35 * (\frac{280}{180}) * \pi\\s = 171 yards

Then, the perimeter of the figure is:

P = 3 * (171 + 45)\\P = 648 yards

Answer:

If David runs around the field three times, he covers a distance of 648 yards.

5 0
4 years ago
What is the domain of f(x) = 3x – 2?
Elis [28]

Answer: las option.

Step-by-step explanation:

The equation of the line in slope-intercept form is:

y=mx+b

Where m is the slope of the line and b is the y-intercept.

Then function given in the problem has the form:

f(x)=3x-2

Where:

m=3

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By definition, the domain of the  linear functions that are not bounded, is all the Real numbers.

Therefore, the answer is:

<em> {x | x is a real number}</em>

3 0
3 years ago
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mrs_skeptik [129]

Step-by-step explanation:

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6 0
3 years ago
Immigration reform A news organization wants to know what percent of U.S. residents support a "pathway to citizenship" for peopl
harina [27]

Undercoverage might lead to bias in this study due to the risk of collecting data from a small number of people who feel strongly about the research study in this scenario.

<h3>What is Undercoverage bias?</h3>

This refers to a type of sampling bias which occurs when the research population aren't adequately represented in the study.

This type of sampling involves getting data from a selected few people who may have the same opinion or view about the study which doesn't depict the true representation of the population.

This makes the study to be biased which is why undercoverage is usually avoided when conducting a research.

Read more about Undercoverage bias here brainly.com/question/13294832

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5 0
1 year ago
Please help me answer these questions
Delicious77 [7]

Answer:

B and D

Step-by-step explanation:

4x13=52 and 10/10=1 x 13=13

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