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The instructions and problems for a math 101 exam, including statistical analysis questions. Students are required to use a no. 2 pencil and fill in the answer form with their last name, zid number, and section. The exam covers topics such as median and mean of data sets, normal distributions, and quartiles.
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Name (printed) Section Name (signature) Regular Assigned Seat ZID. NO. MATH 101, Lecture B EXAM 1 FORM A February, 2004 3:00-3:50 p.m. INSTRUCTIONS:
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(a) 50% of the data is less than or equal to the mode. (b) The graph of the distribution is symmetric about the line x = μ. (c) The range of the data is about 5σ. (d) About 95% of the data is between μ − 2 σ and μ + 2σ. (e) The mean, median, and mode are identical.
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Which of the following is true? (a) I and III are normal distributions with different standard deviations. (b) The standard deviation of III is smaller than the standard deviation of I. (c) Only III is a normal distribution. (d) I and II are normal distributions with the same mode. (e) Only II is a normal distribution.