quiz1B

# quiz1B - UCLA Econ 41 Statistics for Economists First Quiz...

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UCLA Econ 41 – Statistics for Economists First Quiz, July 02, 20007 Version B Student Name: ____________________ (Last) __________________ (First) *Please write your registered name Student ID: ______-______-______ e-mail: ____________________ * Ex: 123 - 456 - 789 Signature: ______________________________ ******************************************************************** You need ONLY turn in THIS PAGE. (Answers written elsewhere will not be graded ) Your Answers: I. Multiple Choice: 1.____ 2.____ 3.____ 4.____ 5.____ (5 points each) 6.____ 7.____ 8.____ 9.____ II. Essay Question (15 points):

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1 I. Multiple Choices: only one is best answer (5 points each) 1. The ages of all seven employees of a real estate agency are 29, 37, 58, 41, 24, 65, and 44. The standard deviation calculated for these data is a(n): a. empirical rule b. probability distribution d. statistic c. parameter 2. The quartiles for a dataset are as follows: Q1 = 1, Q2 = 2, Q3=4. Then we say that the distribution of the data is
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