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Aneli [31]
3 years ago
11

Question 2 (2 points) Which of the following statements about matter is true? (2 points)

Biology
1 answer:
natima [27]3 years ago
6 0
Where are the statements
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a researcher wishes to know whether there is a significant difference in the number of knee injuries reported among four sports.
boyakko [2]

Answer:

Chi-square analysis cannot be used to check for significant difference in the number of knee injuries among four sports.

Explanation:

The chi-square analysis is a statistical procedure that is used to test association between measured variables or goodness of fits of a set of measured variables to expected outcomes.

<em>In the case of testing for significant difference, chi-square analysis cannot be used as testing for significant difference in two or more means requires using t-test, analysis of variance, or any other relevant statistical procedure.</em>

To compare number of knee injuries reported among four sports for significant difference, the most suitable statistical procedure would be analysis of variance.

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8 0
4 years ago
The phases of the moon are caused by the sun is wearing distance from the moon moon’s revolution around the earth moves very dis
Inga [223]

Answer:

October 17, 2019

The Moon, otherwise known as Luna, is the only natural satellite of Earth. It was created 4.6 billion years ago, and it is widely accepted that it was created when Earth collided with a planet-sized object called Theia. It’s the fifth-largest moon in our solar system and is the second brightest object in the sky (after the Sun).

Explanation:

History of The Moon

Called Luna by the Romans, Selene and Artemis by the Greeks, and many other names in other mythologies.

The Moon, of course, has been known since prehistoric times. It is the second brightest object in the sky after the Sun. As the Moon orbits around the Earth once per month, the angle between the Earth, the Moon and the Sun changes; we see this as the cycle of the Moon’s phases. The time between successive new moons is 29.5 days (709 hours), slightly different from the Moon’s orbital period (measured against the stars) since the Earth moves a significant distance in its orbit around the Sun in that time.

5 0
4 years ago
What is the role of protein in a cell?
kozerog [31]
Proteins are large, complex molecules that play many critical roles in the body. They do most of the work in cells and are required for the structure, function, and regulation of the body's tissues and organs. ... These proteins provide structure and support for cells. On a larger scale, they also allow the body to move.
5 0
3 years ago
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A protein may consist of as many as _____ amino acid molecules.
Semenov [28]

2000 is right answer if not sorry

4 0
3 years ago
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Which of the following is a starch? -Grain -steak -bacon -yogurt
grin007 [14]
Its grain i think i could be wrong
6 0
3 years ago
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