Using it's concept, the standard deviation of the data-set is of 34.2.
<h3>What are the mean and the standard deviation of a data-set?</h3>
- The mean of a data-set is given by the <u>sum of all values in the data-set, divided by the number of values</u>.
- The standard deviation of a data-set is given by the <u>square root of the sum of the differences squared between each observation and the mean, divided by the number of values</u>.
Having this in mind, and inserting the data-set in the calculator, it is found that:
- The standard deviation is of 34.2.
More can be learned about the standard deviation of a data-set at brainly.com/question/12180602
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The percent of change from 12 to 15 is 25%
Answer:
x = -2
Step-by-step explanation:
2x + 4 = 0
2x = -4
2x/2 = -4/2
x = -2
How many boxes? and what was the question?
32 people at only pancakes.
162 people ate at the resturant that morning.
92 people didn't eat eggs.