'Cumulative frequencies' diaporamas de présentation

Cumulative Frequency Curves

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Chapter 2

Chapter 2. Frequency Distributions, Stem-and-leaf displays, and Histograms. Where have we been?. ? = = 1.79. ?(X- ?) = 0.00. ?(X- ?) 2 = SS = 16.00. ?X = 30 N = 5 ? = 6.00.

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BASIC DATA ANALYSIS (WITH EXCEL) AND DATA INTERPRETATION

BASIC DATA ANALYSIS (WITH EXCEL) AND DATA INTERPRETATION. Basic tools : frequency, cross-tabs, mean, median, share and rate. Frequencies. What? The number of times a certain value or class of values occurs What for? A way to summarise data. Frequencies.

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Histograms, Frequency Distributions and Related Topics

Histograms, Frequency Distributions and Related Topics. These are constructions that will allow us to represent large sets of data in ways that may be more meaningful to the reader.

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Frequency Distribution

Frequency Distribution. Dhon G. Dungca. Frequency Distribution. The organization or arrangement of raw data in table form showing its classes and frequencies. Raw or Ungrouped Data Data collected in original form. Frequency The number of times a certain value or class of values occurs.

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Chapter 2.2

Chapter 2.2. Frequency Polygons and Ogives. The frequency polygon. The frequency polygon is a graph that displays the data by using lines that connect point plotted for the frequencies at the midpoints of the classes. The frequencies are represented by the heights of the points.

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CO_02.jpg

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1.1.2 Histograms

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