Question: The variance for yield is 6.25, and plants outside the plot have mean yield 9.0. The weights, heights, yields, and seed number for 10 plants

The variance for yield is 6.25, and plants outside the plot have mean yield 9.0.
The weights, heights, yields, and seed number for 10 plants grown in an experimental plot are given in the table. Each measurement is approximately normally distributed. We wish to determine whether plants in the plot differ from those outside. In each case, state one- and two-tailed alternative hypotheses and find their significance.

Plant Weight Height Yield Number of seeds 1183 46.2 10.11 7.65 39.4 9.29 14.57 4.4 12.26 6.61 9.51 8.34 39.8 13.35 37.9 12.90 34.8 10.35 11.82 43.1 9.84 14.97 14.26 11.26 11.08 7.04 5.44 40.8 38.5 40.7 10

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