Mark Brainliest Please
Answer:
Answer is gicen in the image attached.
Step-by-step explanation:
Standard deviation (SD) measured the volatility or variability across a set of data. It is the measure of the spread of numbers in a data set from its mean value and can be represented using the sigma symbol (σ). The following algorithmic calculation tool makes it easy to quickly discover the mean, variance & SD of a data set.
For more help check Khan academy video
https://www.khanacademy.org/math/statistics-probability/displaying-describing-data/sample-standard-deviation/v/sample-standard-deviation-and-bias
I believe the correct answer here would be C. x=10/3 because it is the only proportional answer.
It will take Katie 29 weeks to reach her goal and it will take Rebecca 28 weeks to reach her goal so Rebecca will finish one week before Katie.
Hope this helps!
A(–2, 4), B(4, 4), C(4, –2), D(–2, –2)
-> select some diagonal: AC
midpoint is at A+(1/2)*AC
-> calculate vector AC:
AC=(4-(-2),-2-4)=(6,-6)
-> calculate half length of AC:
(1/2)*AC=(3,-3)
A+(1/2)*AC=
(-2,4)+(3,-3)=(1,1) which is the midpoint
so the first option is correct
Answer:

Step-by-step explanation:
