Question: 3. In-class activity Without using any measuring device, each student should draw a line believed to be 3in . long and another line believed to

3. In-class activity Without using any measuring device, each student should draw a line believed to be 3in . long and another line believed to be long. Then use rulers to measure and record the lengths of the lines drawn. Find the means and standard deviations of the two sets of lengths. Test the claim that the lines estimated to be 3in . have a mean length that is equal to 3 in. Test the claim that the lines estimated to be 3 cm have a mean length that is equal to 3 cm . Compare the results. Do the estimates of the 3-in. line appear to be more accurate than those for the 3 -cm line? What do these results suggest

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