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Which is not a goal of the ethical data analyst? 2 'Tom's SUV rolled over. SUVs are dangerous." This best illustrates which fallacy? Multiple Choice Multiple Choice Unconscious bias O To be an honest broker of data. Significance versus practical importance To learn to downplay inconvenient data. Post hoc reasoning O To understand the firm's code of ethics (or help create one). Small sample generalization O To look for hidden agendas in data collection. Using a sample to make generalizations about an aspect of a population is called A random sample is one in which the 3 4 Multiple Choice Multiple Choice O probability that an item is selected for the sample is the same for all population items. data mining. O population items are selected haphazardly by experienced workers. O descriptive statistics. O items to be selected from the population are specified based on expert judgment. random sampling. O probability of selecting a population item depends on the item's data value. O statistical inference O 5 The table shows the annual compensation of 40 randomly chosen CEOs (millions of dollars). in: .picture Click here for the Excel Data File (a) Select the cor stogram for the above data. Histogram A Histogram B Histogram C Histogram Histogram Histogram 35 25 Percent Percent O CompensationThe contingency table below summarizes a survey of 1,000 bottled beverage consumers. 14 Lives in a state Lives in a state with with a deposit law no deposit law Row Total Recycles beverage bottles 160 175 335 Does not recycle beverage bottles 61 604 665 Column Total 221 779 1, 000 Find the following probabilities or percentages: (a) Probability that a consumer recycles beverage bottles. (Round your answer to 2 decimal places.) P(Recycles) (b) Probability that a consumer who lives in a state with a deposit law does not recycle. (Round your answer to 2 decimal places.) P(Don't Recycle | Lives in Deposit Law State) (c) Percentage of consumers who recycle and live in a state with a deposit law. (Round your answer to 1 decimal place.) Percentage of consumers (d) Percentage of consumers in states with a deposit law who recycle. (Round your answer to the nearest whole percent.) Percentage of consumers %Suppose 59 percent of the customers at Pizza Palooza order a square pizza, 78 percent order a soft drink, and 34 percent order both 15 a square pizza and a soft drink. Is ordering a soft drink independent of ordering a square pizza? O Yes O NoGiven the following probability distribution, what is the expected value of the random variable X? 16 X P (X ) 100 10 150 . 20 200 30 250 .30 300 10 Sum 1.00 Multiple Choice 175 150 200 O 205A random variable is binomially distributed with n = 16 and IT = .40. The expected value and standard deviation of the variables are 17 Multiple Choice O 2.00 and 1.24 O 4.80 and 4.00 O 6.40 and 1.96 O 2.00 and 1.20Times for a surgical procedure are normally distributed. There are two methods. Method A has a mean of 28 minutes and a standard 19 deviation of 2 minutes, while method B has a mean of 32 minutes and a standard deviation of 1.0 minutes. (a) Which procedure is preferred if the procedure must be completed within 30 minutes? O Method A O Method B O Either Method (b) Which procedure is preferred if the procedure must be completed within 34.0 minutes? O Either Method O Method A O Method B (c) Which procedure is preferred if the procedure must be completed within 31 minutes? O Method B O Either Method O Method A
