STATT1REW-SP2010

# STATT1REW-SP2010 - Math 1342 TEST 1(Review NAME Determine...

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Math 1342 TEST # 1 (Review) NAME : ___________________________________ Determine which of the four levels of measurement (nominal, ordinal, interval, ratio) is most appropriate. 1) test scores on "GRE" A) Nominal B) Interval C) Ordinal D) Ratio 2) Ranking of "college football" teams. A) Interval B) Nominal C) Ratio D) Ordinal Identify which of these types of sampling is used: random, stratified, systematic, cluster. 3) A tax auditor selects every 1000th income tax return that is received. A) Cluster B) None C) Random D) Systematic E) Stratified 4) Distribution shape of "IQ " scores is: A) Negatively Skewed B) Positively Skewed C) Symmetric D) Flat 5) If the mean of a test scoes is 74 and the variance is 16, what is CVAR? A) 22% B) 4.6% C) 9.3% D) 18.5% E) 5.4% Find the percentile for the data point. 6) Data set: 11, 7, 14, 20, 12, 18, 15, 10 ; data point 14 A) 31 B) 44 C) 56 D) 69 E) 50 Solve the problem. 7) The ages of the members of a gym have a mean of 37 years and a standard deviation of

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STATT1REW-SP2010 - Math 1342 TEST 1(Review NAME Determine...

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