Chapter 2: Q.2.70 (page 69)
Use cutpoint grouping with a first-class midpoint of and a class width of .
Short Answer
a). The frequency distribution,
b). Relative frequency distribution,
c). The frequency histogram,
Chapter 2: Q.2.70 (page 69)
Use cutpoint grouping with a first-class midpoint of and a class width of .
a). The frequency distribution,
b). Relative frequency distribution,
c). The frequency histogram,
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Get started for freeHigh School Completion. As reported by the U.S. Census Bureau in Educational Attainment in the United States, the percentage of adults in each state and the District of Columbia who has completed high school is provided on the WeissStats site.
a. use the technology of your choice to identify the modality and symmetry (or non-symmetry) of the distribution of the data set.
b. if unimodal, classify the distribution as symmetric right-skewed. or left-skewed.
Ages of Householders. The ages of householders, given as a whole number
In this case, decide which type of grouping (single-value, limit, or cutpoint) is probably the best.
Explain the difference between a frequency histogram and a relative-frequency histogram.
Exam Scores. Construct a dot plot for the following exam scores of the students in an introductory statistics class.
Age of Passenger Cars. According to R. L. Polk & Co., the average age of passenger cars in the United States was years in . A sample of passenger cars taken this year provided the ages, in years, displayed in the following table. Construct a dotplot for the ages.
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