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Descriptive Statistics 1.1 The series "President, Vice-President, Secretary. Treasurer, Board 1 point Member" is on which type of data scale? Nominal Interval Ordinal Ratio 1.2 Identify the scale of the following variable: Political party voted for in an 1 point election. Ordinal Nominal Ratio Interval 1.3 Identify the scale of the following variables: A: Identification number of 2 points a student. B: Intelligence quotient. B: Interval & A: Nominal A: Nominal, & B: Ratio A: Ordinal & B: Interval A: Ratio & B: Ordinal1.4 Identify the type of central location measure (mean, median, or mode) 1 point being referred to in this statement: Half of our employees have more than 10 years' work experience. Range Mean Mode Median 1.5 Identify the type of central location measure (mean, median, or mode. 1 point percentile) being referred to in this statement: The most popular city amongst foreign tourists is Cape Town. Median Mode Percentile Mean 1.6 Identify the central location measure (mean, median, or mode. 1 point variance) being referred to in this statement: The average time taken to complete a task is 18 minutes. Median 0 Mode Mean Variance1.7 A home theater in a box is the easiest and cheapest way to provide 1 point surround sound for a home entertainment center. A sample of prices is shown here (Consumer Reports Buying Guide. 2004). The prices are for models with a DVD player and for models without a DVD player. Use these information to determine what is the additional price paid to have a DVD player included in a home theater unit? Models with DVD Player Price Models without DVD Player Price Sony HT-18000P 5450 Pioneer HTD-330DV Pioneer HTP-230 Sony HT-DDW750 Sony HT-CHOODP 3010 Kenwood HTB-306 Panasonic SC-HT900 RCA RT-2600 290 Panasonic SC-MTI Kenwood HTH-206 300 0 0 0 The additional amount to have a DVD player included in a home theater unit 160. The additional amount to have a DVD player included in a home theater unit 100. The additional amount to have a DVD player included in a home theater unit 150. The additional amount to have a DVD player included in a home theater unit 210. 1.8 Using information from the Question 1.7, compute the variance, and 5 points standard deviation for the two samples. What does this information tell you about the prices for models with and without a DVD player? Models with DVD Player Price Models without DVD Player Price Sony HT-1800DP $450 Pioneer HTD-330DV Pioneer HTP-230 Sony HT-CHOODP Sony HT-DDW750 Panasonic SC-HT900 Kenwood HTB-306 360 RCA RT-3600 Panasonic SC-MII Kenwood HTB-206 The variance, and standard deviation show that prices charged for models with DVD are highly variable compared to prices of models without DVD The variance, and standard deviation show that prices charged for models without DVD are highly variable compared to prices of models with DVD This means that prices charged for models without DVD are cheaper compared to prices of models with DVD The variance, and standard deviation show that the prices of models with DVD rarely differ from each other