Answer:
1
Step-by-step explanation:
Always you'll get an answer of 1.
Answer:
d. always zero.
Step-by-step explanation:
A least squares regression line is a standard technique in regression analysis used to make the vertical distance obtained from the data points running to the regression line to become very minimal or as small as possible.
For a least squares regression line, the sum of the residuals is always zero.
Basically, residuals are used to measure or determine whether or not the line of regression is a good fit or match for the data by subtracting the difference between them i.e the predicted y value and the actual y value, for the x value respectively.
Answer:
x=63
Step-by-step explanation:
55+62+x=180
117+x=180
180-117=63
x=63
Answer:
C)
Step-by-step explanation:
<span>Sixty percent of the days in the desert were hot and dry. Out of the 365 days, how many were hot and dry?
Solution is simple.
There are 365 days and 60% of those are hot and dry. What is 60% of 365?
365 x .60 = 219
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