5. By throwing a dart at a target, one get the following 15 set of numbers (one

Question

5. By throwing a dart at a target, one get the following 15 set of numbers (one list only), showing the displacement from the center in cm. Using your calculator in statistic mode calculate the mean and the standard deviation for this experiment Is this measurement precise? Is this measurement accurate? How can one improve precision? How can one improve the accuracy? 2.19701, 3.5952, 1.6856, 0.9327, 0.2176, 13.1885, 1.7347, 1.9638, 3.3582, 1.1870, 0.0057, 1.4206, 1.24992, 2.9973, 1.8797 (create one list)

Explanation / Answer

steps for Using caluclator in statistic mode

1) switch ON calculator by pressing 'ON' button

2) Press Mode button.

3) select 'STAT' by pressing 3.

4) select '1-VAR' by pressing 1.

5) Then enter data under the column x one by one until data finishes.

6) After entering data, press AC and then shift+1

7) choose 'var' by pressing 4.

8) for mean press 2.

9) for standard deviation press 3.

From the given data by folowing above method

The mean value=2.5075688667

the standard deviation =3.019697031

The accuracy can be improved by taking more number of data points.

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