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Mathematics, 28.11.2019 21:31 kailahgranger
5. a researcher measures the mean time (in seconds) it takes two groups of children to complete an activity task. she finds that group a (m = 22 seconds) completed the task more quickly than group b (m = 36 seconds). she then computes a weighted mean for both groups combined and calculates = 26. based on the information provided, which group had a larger sample size?
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5. a researcher measures the mean time (in seconds) it takes two groups of children to complete an a...
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