What is the equation for the line of best fit for the following data? Round the slope and y intercept of the line to three decim
1 answer:
The line of best fit is given by the equation y = 1.56x - 4.105
<h3>Linear equation</h3>A linear equation is in the form:
y = mx + b
where y, x are variables, m is the rate of change (slope) and b is the y intercept.
Plotting the points on a graph using geogebra online tool:
The line of best fit is given by the equation y = 1.56x - 4.105
Find out more on Linear equation at: brainly.com/question/13763238
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Answer: A. z = -2.57
Step-by-step explanation:
Let p be the population proportion of people polled favor the incumbent.
As per given , we have
Sample size : n= 1030
sample proportion :
Test statistic for proportion :
Hence, the test statistic is z = -2.57 .
Thus , the correct answer is A. z = -2.57 .