MATH 121 BAIC PROBABILITY&STATISTICS; Spring 2017-2018 Homework assignment#1-2 C

Question

MATH 121 BAIC PROBABILITY&STATISTICS; Spring 2017-2018 Homework assignment#1-2 CHAPTER 2 Part2: Descriptive Statistics-Quantitative (Numeric): Ql- Suppose a final exam scores of Basic Statistic course were given as below. 60 100 50 98 80 95 89 55 99 70 90 95 68 79 87 48 55 4 66 77 Construct a. A frequency distribution for this data. Let the first class be 45 -59. b. A cumulative frequency distribution. c. A relative frequency and cumulative relative frequency distribution Answer: Classes Frequency Cumulative Relatve Cumulative Frequency Frequency Relative Frequency 45 -59 Total

Explanation / Answer

Classes Frequency Cumm. Frequency Rel. Frequency Cumm. Rel. Frequency 45 - 59 5 5 0.25 0.25 60 - 74 4 9 0.2 0.45 75 - 89 5 14 0.25 0.7 90 - 104 6 20 0.3 1 Total 20 1

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