The sum of squares is the method for finding the variation within the groups , between the groups and for the total sample.
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The sum of squares is basically the sum of the square of variation, where variation is defined as the spread between each individual value and the mean. In order to determine the sum of squares, the distance between each data point and the line of best fit is squared and then summed up. The line which is known as line of of best fit will minimize this value.
The sum of squares is the method for finding the variation within the groups, between the groups and for the total sample.In this method the variations between values are find out irrespective of whether it is of a group or not.
Hence the sum of squares is the method for finding the variation within the groups , between the groups and for the total sample.
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Answer:
The answer is 40a+14c
Step-by-step explanation:
Step 1: Open the brackets
7a-9c+12a+33c+21a-10c
Step 2: Group all the like terms
Like terms are terms with similar variables, for example;
(7a, 12a, 21a) are all like terms since they have a common variable (a)
(-9c, 33c,-10c) are also like terms since they have a common variable (c)
Step 2: Solve
(7a+12a+21a)+(33c-10c-9c)=40a+14c
The answer is 40a+14c
Answer:
the correct answer is 3x-36
Step 1: Find the slope using :
Step 2: Plug the slope and one-point into point-slope form :
Let's use (4,1) since there's no negative involved. That makes it easier: