The following data represent tonnes of wheat harvested each year (1894–1925) from Plot 19 at the Rothamsted Agricultural Experiment Stations, England.
|
2.71 |
1.62 |
2.60 |
1.64 |
2.20 |
2.02 |
1.67 |
1.99 |
2.34 |
1.26 |
1.31 |
|
1.80 |
2.82 |
2.15 |
2.07 |
1.62 |
1.47 |
2.19 |
0.59 |
1.48 |
0.77 |
2.04 |
|
1.32 |
0.89 |
1.35 |
0.95 |
0.94 |
1.39 |
1.19 |
1.18 |
0.46 |
0.70 |
|
(a) Multiply each data value by 100 to “clear” the decimals.
(b) Use the standard procedures of this section to make a frequency table and histogram with your whole-number data. Use six classes.
(c) Divide class limits, class boundaries, and class midpoints by 100 to get back to your original data values.
