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Question 15A bar chart is most likely used to display which of the following?A continuous variableThe relationship between two quantitative variablesAn ordinal level variableA ratio level variableQuestion 16A cell phone service provider has 14,000 customers. Recently, the sales department selected a random sample of 400 customer accounts and recorded the number of minutes of long distance time used during the previous billing period. The data for this variable is considered to be nominal since the values are based on sample data.Question 17Possibly the most frequently used nonstatistical sampling procedure is the simple random sample.Question 18A light bulb manufacturer wants to advertise the average life of its light bulbs so it tests a subset of light bulbs. This is an example of inferential statistics.Question 19At the end of the school term, students are asked to rate the course and instructor by indicating on a scale of 1-5 how well they liked the course. The data generated from this question are examples of ordinal data.Correct!True FalseQuestion 20Cross-sectional data is a set of data values observed at successive points in time.