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Mathematics, 22.07.2019 20:30 restinpeicejahseh
Here is a data set containing plant growth measurements of plants grown in solutions of commonly-found chemicals in roadway runoff.
distilled h2o petro nacl mgcl nacl + mgcl
19.93 19.85 19.87 19.91 19.73
19.91 20.06 19.88 19.92 19.77
20.08 19.99 20.04 19.84 19.75
19.99 19.88 20.05 19.98 19.93
19.9 19.98 20.06 19.82 19.94
19.98 20.08 19.83 19.92 19.79
19.92 20.1 19.9 20.09 19.84
20.01 19.82 19.83 20.1 19.94
19.96 20.01 19.85 20.04 19.89
20.13 20.1 19.87 20.04 19.72
20.15 19.84 19.85 19.87 19.88
20.04 20.03 19.93 19.89 20
19.98 20.01 19.82 19.77 19.74
20.03 19.96 19.85 19.97 19.95
20.13 19.91 20.06 19.84 19.79
20 20.03 20.04 20.07 19.85
20.07 19.92 20 19.83 19.74
19.98 19.94 19.9 19.9 19.78
20.02 20.01 19.94 19.95 19.88
19.94 19.8 20.05 19.78 19.83
which of the following is a correct statement of the alternate hypothesis? a) mean growth in the control group is no greater than mean growth in the experimental groups. b) mean growth in the nacl + mgcl group is less than mean growth in the control group. c) mean growth in the control group is greater than mean growth in the experimental treatments. d) mean growth in one or more of the groups is greater than or less than one of the others.
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