16. For the equation y = 4 + 9x, a. the y-intercept is b. the line 18. Consider the following data set: A. slopes upward B. slopes downward C. is horizontal D. none of the above 53 27 48 39 15 53 42 27 36 29 11 39 11 20 55 14 34 27 1 Below is a partially completed stem-and-leaf diagram for this data set: 3 and the slope is 28 Determine the correct values for the missing entries, and fill them in. If no value is needed for a given entry, then enter X. A summary measure that is computed from a population is Called: A. a parameter B. a population C. a statistic D. both a parameter and a population since they are the same 21. Before leaving a particular restaurant, patrons are asked to respond to a questionaire containing the questions given below. For each question, indicate whether the possible responses are Nominal, Ordinal, Interval or Ratio scale. 1. Which of the following attributes of this restaurant do you find most attractive: service, prices, quality of food, menu options? 2. Would your overall rating of this restaurant be excellent, good, fair, or poor? 3. Do you consider our prices to be high, average, or low? 4. Have you eaten at this restaurant previously?