Last week Sarah had exams in math and in Spanish. On the math exam, the mean was µ = 40 with ? = 5, and Sarah had a score of X = 45 . On the Spanish exam, the mean was µ = 60 with ? = 8, and Sarah had a score of X = 68 . For which class should Sara expect the better grade?
a. Math
b. Spanish
c. The grades should be the same because the two exam scores are in the same location.
d. There is not enough information to determine which is the better grade.
C
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Darren is a 12-year-old active boy. Sometimes when his friend Simon cheats on the game, he tends to get irritated. However, Darren controls his anger and tries explaining to Simon why it is bad practice to cheat. Which developmental aspect is Darren displaying in his actions?
a) Low self-esteem b) Self-regulation c) High self-esteem d) Self-efficacy
What would you do to calculate the probability of tossing four coins and obtaining four heads?
a) use an algorithm b) rely on the confirmation heuristic c) set a subgoal before attempting to solve the problem d) represent the problem somewhere other than in one's head