Question

MGT 21S MU PRINCIPLES OP BUSINESS STATISTICS SPRING 2019 QUIZ2 NAME: A froquene y distribution groups data into classes showing the namber of observations in each class. A. True B. False 2. The midpoint of a class can be determined by going halfway between the lower limits of consecutive classes A Trae B. False 3 A class interval, which is the width of a class, can be determinod by subtracting the lower limit of a class from the lower limit of the next higher class A. True B. False 4. To convert a frequency distribution to a relative frequency d istribution, multiply each class frequency by the sum of the class frequencics A. Truc B. False 5. A pie chart is similar to a relative frequency distribution 6. To summarize the gender of students attending a college, the number of classes in a frequency distribution depends on the number of students A. True A Trueon depend B. False 7. To construct a histogram, the class frequcncies are plotted on the horizontal or X-axis and the class limits or the midpoints are plotted on the vertical or Y-axis. A. True B. False 8. In frequency distributions, classes are mutually exclusive if cach individual, object, or measurement is included in only one category 9. The height of a bar in a histogram represents the number of observations in that class. A. True B. False 10. 15. A frequency polygon is a very useful graphic technique when comparing two or more distributions A. True B. False

Answer 1