Scenario Type of Statistical Test Hypotheses Test Statistic df Critical to use (write the null and Formula (Write Value alternative hypotheses (Write the formula, the symbolically) do not perform a =.05 numerical calculations) value) 1. A researcher wants to determine whether toddlers pay more attention to male or female voices. The researcher tracks the number of seconds each child (N= 10) spends looking at both the male (M = 45, SD = 12.5) and female (M= 50, SD = 12.26) speakers. 2. A new drug is developed, and the makers want to test whether has a side-effect of impacting appetite. A group of mice (= 12) are given the drug in a clinical trial and researchers compare the mice's weight in ounces (M/=0.62, SD = 0.4) to the average weight of adult mice (u = 0.5, 6 = ?). 3. A researcher is interested in whether people trust eye-witness testimonies more if the witness wears glasses. Participants' have their trust measured after watching either a recording of an eye-witness wearing glasses ( = 15, M= 8.2, SD = 0.15) or not wearing glasses ( = 15, M= 7.7, SD= 0.17)