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 |
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(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.
