Exam 19: Statistics in Psychological Research

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Abby, Chrissy, and Kate are teammates playing "Win, Lose, or Draw." They need exactly 10 points to win and must choose who will draw next. They have some statistics on the points each girl gets when she draws: Abby has a mean of 10 points, Chrissy has a median of 10 points, and Kate has a mode of 10 points. Which girl should draw to have the best chance of winning?

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Malcolm discovers that he has made 903 observations for his research study. Which abbreviation would he use to denote the total number of observations made?

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Jebreel is a graduating senior who must decide among four job offers in four different cities. He wants to move to a city where he can wear the same clothes all year. The standard deviations of temperature in these cities are given below. Which city should Jebreel choose? ​

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In a memory experiment, Dr. Nall finds that the difference in the mean number of nonsense syllables remembered by Group A vs. Group B is statistically significant at the p

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Crystal received her SAT score from her counselor. She scored two standard deviations above the mean. What does this indicate about Crystal's score?

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