i can\'t explain interpretation please see the graph and let me know this graph

Question

i can't explain interpretation
please see the graph and let me know
this graph what mean

2.3 Repeat the Repeat the following exercise six times and then discuss the results. Gen 100 with erate a randoma walk wi 01 and 1. Call the data art for t 100. Fit the regression re Bt -t we using least squares. Plot the data, the mean function (i.e., ut 01 t) and the fitted line, Bt, on the same graph. Discuss your results. The following R code may be useful: i par (mfcol c (3,2 set up graphics 2 for (i in 1:6) a x ts (cum sum (rnorm (100, 01,1))) the data 4 reg lm (x-o-time x), na.action NULL) e regression plot (x) plot data e lines .01 time (x) con-"red", lty "dashed") plot mean abline (reg, col blue y plot regression line

Explanation / Answer

The graphs give a plot of the mean function and the fitted regression line. From each of the graphs, it is clear that the fitted regression line has a linear trend, i.e. as time increases, x also increases.

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