Growth of soybean plants

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Reference no: EM132402252

A plant physiologist conducted an experiment to determine whether mechanical stress can retard the growth of soybean plants. Young plants were randomly allocated to two groups of 13 plants each. Plants in one group were mechanically agitated by shaking for 20 minutes twice daily, while plants in the other group were not agitated. After 16 days of growth, the total stem length (cm) of each plant was measured, with the results given the accompanying table. Compare the treatments using a Wilcoxon-Mann-Whitney test at α=.01. Let the alternative hypothesis be that stress tends to retard growth.

The table provides these. Y1 and Y2 but not K1 and K2.

Y1 25.2 ,29.5, 30.1, 30.1, 30.2, 30.2, 30.3, 30.6, 31.1, 31.2 31.4, 33.5, 34.3

Y2 24.7,25.7 ,26.5, 27.0, 27.1,27.2 ,27.3 ,27.7 ,28.7, 28.9 , 29.7 ,30.0, 30.6

Please show the steps on how to find K1 and K2.

Reference no: EM132402252

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