Answer:
632.4
Step-by-step explanation:
You have to add all the numbers then dived it by ten. Hope this helps all mark me brainlest plzzzz
The mean of the data set is 42.
<h3>What is Mean?</h3>
The arithmetic mean is found by adding the numbers and dividing the sum by the number of numbers in the list.
Given:
20, 32, 34, 36, 40, 42, 44, 48, 55, 65
Mean = 20+32+ 34+ 36+ 40+ 42+ 44+ 48+ 55+ 65/10
Mean = 416 / 10
Mean = 41.6
Mean = 42
Learn more about mean here:
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Answer:
19 ) B (<2 and <5)
20) A(20)
21 and 22 Don't know sorry
The matrix given is
To find determinant
we do
So, the determinant of the given matrix is