sample_midterm1 - Name: _ ID NUMBER: _ Date: _ ID: A Exam 1...

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Name: ________________________ ID NUMBER: ___________________ Date: __________ ID: A Exam 1 psychology 100 A PART I: Multiple Choice IMPORTANT PUT YOUR NAME AND ID NUMBER ON THE SCAN TRON FORM! REMEMBER TO GIVE US PERMISSION TO POST YOUR SCORES. Identify the letter of the choice that best completes the statement or answers the question. Each Question is worth 2 point s ____ 1. Population values inferred from statistics of a sample are called a. parameters d. independent variables b. none of the other answers are correct e. hypotheses c. dependent variables ____ 2. The measure of central tendency that is an unbiased and consistent estimator of µ is the a. all of these measurements d. mode b. mean e. standard error c. median ____ 3. Which of the following set of scores has the greatest standard deviation? (Hint: try not to calculate the standard deviation, reason out the answer instead from what you remember about formulas and the homework). a. 2, 6, 10, 14, 18 d. 22, 26, 30, 34, 38 b. 0, 3, 5, 7, 10 e. 0, 6, 10, 14, 19 c. 12, 16, 20, 24, 28 ____ 4. All of the following statements are always true for a normal distribution, which ONE of them is also always true for a highly skewed distribution? a. The range is infinite. d. mean = median = mode b. It is a theoretical distribution. e. It is continuous. c. The scores can be z-transformed. ____ 5. Which of the following statements does NOT follow from the central limit theorem? a. As the sample size increases, the mode of the theoretical sample distribution of means is equal to the population mode. d.
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This note was uploaded on 02/25/2009 for the course PSYCH PSYCH 100A taught by Professor Nandy during the Spring '09 term at UCLA.

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sample_midterm1 - Name: _ ID NUMBER: _ Date: _ ID: A Exam 1...

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