Mathematics, 21.12.2019 01:31, lashaaungas

Aresearcher reports that the mean time it takes to complete an experimental task is 1.4 ± 8.0 (m ± sd) seconds.

if the null hypothesis was that the mean equals 1.0, then what is the effect size for this test using estimated cohen's d? a. d = 0.05; small effect sizeb. d = 0.50; medium effect size c. d = 1.05; large effect sized. there is not enough information to answer this question.

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Aresearcher reports that the mean time it takes to complete an experimental task is 1.4 ± 8.0 (m ± s...