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Statistics week 2 quiz

# Statistics week 2 quiz - 3 When you add the values 3 5 8 12...

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Week Two Quiz HCS/438 Version 3 1 University of Phoenix Material Week Two Quiz 1. In a Gallup poll of 1,038 adults, 540 said that second-hand smoke is very harmful. What is the percentage of adults who said second-hand smoke is very harmful? Show the problem: Answer: _52.02312138728323 or 52% if rounded_________________ 2. The first class in a relative frequency table is 50–59 and the corresponding relative frequency is 0.2. What does the 0.2 value indicate? Answer: ____2%_________________________________________________________
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Unformatted text preview: 3. When you add the values 3, 5, 8, 12, and 20 and then divide by the number of values, the result is 9.6. Which term best describes this value: average, mean, median, mode, or standard deviation? Answer: _Mean_________________________________________ 4. What is the range of the values 2.0, 3.7, 4.9, 5.0, 5.7, 6.7, 8.5, and 9.0? Answer: __7.0______________________ What is the median? _5.35___________________ What is the mean? _5.6875______________________ What is the mode? _no mode________________________...
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