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You are an anxiety researcher comparing your new medication to a placebo. You observe the following data. What is your t critical value (assume 2-tailed,
You are an anxiety researcher comparing your new medication to a placebo. You observe the following data. What is your t critical value (assume 2-tailed, alpha = .05)? Do not round.
Placebo mean = 23.54
Placebo sd = 4.52
Placebo n = 32
Medication mean = 19.76
Medication sd = 8.11
Medication n = 17
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