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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Answer:
3 hours.
Step-by-step explanation:
divide 1620 by 540.
Answer:
Step 1 1200/ ?
Step-by-step explanation:
There is a mistake in the very first step
He is writing par over whole
100% is the original amount of tickets x
150% is the 1200 tickets
150 1200
----- = ------------
100 ?
Answer:32
Step-by-step explanation:
perimeter is the sum of the length of its four sides
2l plus 2w
- 8 multiply 2=6
- 12 multiply 2=24
- 24plus 8 =32
- l =8
- w=12