Transcription of Chapter 2: Frequency Distributions and Graphs Read ...
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Chapter 2: Frequency Distributions and Graphs Read ...
Chapter 2: Frequency Distributions and GraphsRead:Sections 1, 2, and 3 pp 32-54 Work the following text examples:Section 2-1, 2-2, 2-3 Section 2-4, 2-5, 2-6, 2-7 Examples to be worked in Exercises 8 and Exercises 24 and 34 Homework:Exercises 1-6, 7-17 odd, 19-37 oddCritical Thinking:See problem 4 p. Organizing Data Categorical Frequency distribution Step 1:ClassTallyFrequencyPercentFrSoJrSe Step 2: Step 3: Step 4: Find the percentage of values in each class by using the formula% =fn,wheref - Frequency in the classn - total number in the class. Grouped Frequency distribution Class LimitsClass BoundariesTallyFrequencyCumul. 1: Determine the classes. The class width is given byWidth =rangenumber of classes= Lower Class Limits- Upper Class Limits- Class Boundaries- !
• Step 2: • Step 3: • Step 4: Find the percentage of values in each class by using the formula % = f n, where f - frequency in the class n - total number in the class.
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