Frequency Curve: steps for drawing, Ogive or Cumulative Frequency Curve: less than/more than Ogive
🚩Timestamps:-
00:07 Agenda of this Session
00:42 Types of diagrammatic presentation of Data
00:53 INFO Card 1; playlist
Ch 6 - Diagrammatic Presentation of Data: Bar & Pie Diagrams
https://www.youtube.com/playlist?list=PL0BlcnHQsq5JMb1XoXtz6W2d_fVKELH9U
01:09 INFO Card 2; playlist
Ch 7 - Frequency Diagrams: Histogram, Polygon, Ogive
https://www.youtube.com/playlist?list=PL0BlcnHQsq5Jco51J6tb7UkMZELgSU-rL
01:42 (B-3) Frequency Curve
06:35 steps for drawing Frequency Curve
07:01 INFO Card 3; video
Histogram: Features, types, construction | Frequency Diagrams (Diagrammatic Presentation of Data)
https://youtu.be/0HpTgolRYOc?si=Obs2eMusp55C4B3X
08:32 Frequency Curve – diagram
11:02 Ogive or Cumulative Frequency Curve
12:22 Two ways for constructing an Ogive
14:13 PRACTICAL: less than/ more than Ogive – example
19:58 less than/ more than Ogive FIGURE/-
24:58 Concluding Remarks & beyond…
|
Learning Outcomes:- Through
this module, you will gain understanding on:- 1.
Frequency Curve 2.
Ogive or Cumulative Frequency Curve 3. Two ways for constructing an Ogive |
Types of diagrammatic presentation of Data -
|
1. Geometric form ●
Bar diagrams ●
Pie Diagrams |
2. Frequency
diagrams ●
Histogram ●
Frequency Polygon ●
Frequency Curve ✔ ●
Ogive or Cumulative
Frequency Curve ✔ |
3. arithmetic line-graphs OR Time Series Graphs |
(B-3) Frequency Curve -
● A variant of polygon
● Plotted by joining the mid-points of all tops of a histogram by freehand smoothed curve NOT by a straight line using Scale as in the case of Polygon!
● Area of a frequency curve is equal to the area of a histogram or polygon of a given data set
● Eliminate angularity of polygon while drawing a frequency curve
1. First, convert given data set into a histogram
2. Mark mid-points of tops of rectangles of histogram
3. Join these points through a freehand smoothed curve
(B-4) Ogive or Cumulative Frequency Curve -
● Constructed by plotting cumulative frequencies on graph paper and joining them through a freehand smoothed curve
Two ways for constructing an Ogive -
1. Less than Upper Limit method -
● Starting from 1st class interval, we go on adding the frequencies
● cumulative total tends to increase
2. More than Lower Limit method -
● We take sum total of frequencies, and beginning with 1st class interval, we go on subtracting the frequencies
● cumulative total tends to decrease
VIDEO DESCRIPTION (max 5,000 characters)
Frequency Curve, steps for drawing Frequency Curve, Frequency Curve – diagram, Ogive or Cumulative Frequency Curve, Two ways for constructing an Ogive, example - less than/ more than Ogive | Frequency Diagrams: Histogram, Polygon, Ogive | Diagrammatic Presentation of Data | 11th Commerce | by @statomics11comm
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▶Related Playlist: https://www.youtube.com/playlist?list=PL0BlcnHQsq5Jco51J6tb7UkMZELgSU-rL
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TAGS (csv)
Frequency Curve, steps for drawing Frequency Curve, Frequency Curve – diagram, Ogive or Cumulative Frequency Curve, Two ways for constructing an Ogive, example - less than/ more than Ogive, Frequency Diagrams, Histogram, Polygon, Ogive, Diagrammatic Presentation of Data, 11th Commerce, CBSE, statomics11comm
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