1/3 greater, less or equal than 4/6?
2 answers:
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Answer:
C
Step-by-step explanation:
Well, the first useful step to find the Standard Deviation is to organize it into a table. Let's insert the information. The data set ={9,12,14,21} Mean = 14 n= quantity of observations, in this case: 4
1) In the first column, the data set. In the second column, the squared difference of each number minus the mean. The sum of the second column will be plugged into the ∑ formula. (Check below)
2) Notice that in the second row, where x value is 9. (x-xbar)²= (9-14)². Yuri has made that mistake, and He compromised all the calculations.
Answer:
Step-by-step explanation:
The general form of the equation of a circle is given as:
where (a,b) are the centre and r is the radius.
If (5, 4) and (7, 2) are the endpoints of a diameter, we find the coordinate of the centre using the midpoint formula.
are the two points.
Midpoint of (5, 4) and (7, 2) =
Next, we determine the radius. Using the distance formula, we find the distance from the centre to any of the endpoints.
Distance from (5,4) to (6,3)
r=
=
The equation of the circle centre (6,3) with radius is therefore given as: