Use example 4.4 on page 163 of the textbook as a guide. a set of data points and the equations of two lines are given. for each line, determine . then, determine which line fits the set of data points better, according to the least-squares criterion. line

a. y = 1 + 0.9x line

b. y = 0.8 + 1.1x

The first five terms of a linear sequence are given below. 7 , 12 , 17, 22 , 27 , what is the next term of the sequence?

Which best describes the strength of the correlation, and what is true about the causation between the variables? it is a weak negative correlation, and it is not likely causal. it is a weak negative correlation, and it is likely causal. it is a strong negative correlation, and it is not likely causal. it is a strong negative correlation, and it is likely causal.

The system of equations graphed below has how many solutions?