average distance between variable scores and the mean in a set of data
Explanation:
Standard deviation refers to the average distance between the variable scores and the mean in a set of data.
The standard deviation is one of the measures of dispersion used in statistically analysis of a given data set.
To calculate standard deviation, we used the mean of data sets and each of the data points.
It is also known as the root-mean square deviation
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Answer:
Explanation:
A trophic level is a set of organisms who all have similar nutritional needs. In a food web, secondary consumers, such as fox and birds of prey, are on the same trophic level. How do different populations from the same trophic level interact? Different populations on the same trophic level can compete for food.
Answer:
The correct answer is - To withstand the high pressure of the outflow of blood from the Heart.
Explanation:
The heart pumps blood to different body parts at high pressure so that it can easily reach all the parts of the body quickly. To able to hold the pressure of the blood pumped at high-pressure arteries need thick walls.
This pressure can be experienced as pulse and which required the walls of arteries and the middle layer or the tunica media to make it much thicker in arteries than in veins. In veins pressure caused by blood is very low pressure that allows them to be thin walls.
Answer:
B.
to serve as a judge when asked to hear a legal case
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