Exam 1 with answers

Exam 1 with answers - NAME: SPIRE ID: PSYCH 240 (Sections...

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PSYCH 240 (Sections A) : EXAM ONE Fall, 2008 41 Multiple Choice Questions NOTE : Choose the one best answer for each question 1) How are the (X 2 ) and [ (X)] 2 different? a. These two equations equal the same value b. The first is the Square of the Sums and the second is the Sum of the Squares c. The first is the Sum of Squared Xs and the second is the Square of the Sum of the Xs d. There is no way to know without the actual numbers For the next four questions, use the following set of numbers and choose from the set of lettered answers below: Y 1 = 3 Y 2 = 4 Y 3 = 5 Y 4 = 6 Y 5 = 7 Calculate the following: 2) Y i /N a 3) Y i for i = 2 to 4 c 4) (Y i Ð M) 2 b 5) Y 2 Ð NM 2 b a. 5 b. 10 c. 15 d. 20 e. None of these 6) What is the difference between Descriptive Statistics (DS) and Inferential Statistics (IS)? a. DS generalizes and IS summarizes b. There is no difference between DS and IS c. DS summarizes and IS generalizes d. None of the above For the following three questions, match the term with the appropriate definition: 7) Variable a a. Indicator of possible numbers or categories 8) Value b b. A result of a measurement 9) Score c c. a value for a particular participant For the following four questions, match the examples to the appropriate terms: 10) Discrete d a. Horse'sÕ numbers at a race track 11) Continuous b b. Between any two values, there are an infinite number of other possible values 12) Nominal
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Exam 1 with answers - NAME: SPIRE ID: PSYCH 240 (Sections...

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