A psychologist would like to examine the effects of sugar consumption on the activity level of preschool children Three samples

Question

A psychologist would like to examine the effects of sugar consumption on the activity level of preschool children Three samples of children are selected with n 5 in each sample One group gets no sugar one group gets a small dose and the third group gets a large dose The psychologist records the activity level for each child The data from this experiment are presented below a Do these data indicate any significant differences among the three groups Test with a 05 b Compute n the percentage of variance accounted for by the treatment No Sugar Small Dose Large Dose 5 3 6 3 3 8 1 5 G 60 1 4 2 EX 298 5 4 T 15 T 20 T 25 SS 16 SS 12 SS 20

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