Question: As the sample size increases, _____. Group of answer choices the confidence interval becomes wider the confidence interval becomes narrower the confidence interval stays the
As the sample size increases, _____.
Group of answer choices
the confidence interval becomes wider
the confidence interval becomes narrower
the confidence interval stays the same width
the confidence level decreases
In the estimated regression equation, what isb0
?
Group of answer choices
the population y-intercept
the population slope
the sample y-intercept
the sample slope
Below is a table with data on consumption and income. The table also contains information to calculation the slope of a line. What is the slope?
Income (xi
)Cons (yi
)xix
yiy
(xix)(yiy)
(xix)2
43-100153000032-2-12485326942-1-111641111520-100
Group of answer choices
0.600
0.625
0.750
1.60
What is the intercept?
Group of answer choices
-0.125
0
0.2
2.0
If a person's income is 3, how much do you predict he will spend on consumption?
Group of answer choices
0
1.75
2
2.25
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