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it is impossible to find the exact slope of a scatter plot. instead you must find the line of best fit. if you find it with a graphing calculator, it is easy. you go to STAT then press edit. put the x values in L1 and the y values in L2. to find the line, you press STAT again and right arrow to calc and select LinReg(ax+b) number 4 i think. then enter L1,L2,Y exactly and press enter. if you want to see the equation of a line press Y=. if you want to see the graph, you press graph and if it doesn't show the data, press Zoom 9. then if it doesn't work, press STAT PLOT and select the first one and then turn to ON.
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Which of the following is observed in a scatter plot when there is an inverse relationship between x and y?
Points slope down as it moves to the right
What is an example of a graph that is not a scatter plot?
Bar graph.
How can you tell whether two sets of data vary directly?
The ratio of a pair of values is always the same. or The scatter plot of the data indicates a straight line with a positive slope that passes through the origin.
How can you use a scatter plot to find an equation of a trend line?
By finding the line of best fit and using the straight line equation formula.
What is always plotted on the y-axis of a scatter plot?
Dependent variable
