What is the estimated standard error sM1-M2 ? 0 3

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Extracted text: What is the estimated standard error sM1-M2 ? 0 3


Extracted text: For this you will perform an independent samples t test. A psychologist is interested in examining the effects of time spent outdoors on differences in the well-being of children. Using a well-being scale that ranges from 1 to 80, with higher values indicating a higher sense of well-being, she collects data from two separate groups of children and gathers the following information: Fewer than 12 hours a week More than 12 hours a week outdoors outdoors n- 10 n- 10 M- 70 M-78 SS - 190 SS - 170