Analyzing Histogram Shapes & Scatter Plots with StatPro, Slides of Management Fundamentals

Instructions on how to identify different shapes of histograms, including symmetric, positively skewed, negatively skewed, and bimodal distributions, using statpro examples. Additionally, it demonstrates how to analyze relationships between variables using scatter plots and monetary data. Frequency tables and correlation analysis.

Typology: Slides

2011/2012

Uploaded on 07/24/2012

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Shapes of histogram
Symmetric: has single peak and looks
approximately same on both sides.
Open otis1.xls it will make a symmetric
histogram
Positively skewed: if the peak is
extended much farther to the right.
Open bank.xls file
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Shapes of histogram

 Symmetric : has single peak and looks

approximately same on both sides.

 Open otis1.xls it will make a symmetric

histogram

 Positively skewed : if the peak is

extended much farther to the right.

Open bank.xls file

Shapes of histogram

 Negatively skewed : if the peak is

extended much farther to the left. Open

midterm.xls file

 Bimodal distribution :if data comes

from two distinct distributions, it has

two peaks and is called bimodal.

 Open otis2.xls file

Using stat pro examples

(50 categories for both machines)

  • 0.58 .575- .58 Frequency table for Both
  • 0.585 .58- .585
    • 0.59 .585- .59
  • 0.595 .59- .595 - 0.6 .595- .6
  • 0.605 .6- .605
    • 0.61 .605- .61
  • 0.615 .61- .615
    • 0.62 .615- .62
  • 0.625 .62- .625
    • 0.63 .625- .63 docsity.com

Using stat pro examples

(50 categories for both machines)

Frequency table for Both

0.705 (^) .7- .705 0

Analysing relationships with

scatter plots

 Scatter plot : Contains a point for each

variable based on the values of two

selected variables. The resulting plot

shows relationship between two

variables

Analysing relationships with

scatter plots

Note: All monetary values are in $ thousands.

YrsExper Sales

YrsExper

Sales

Correlation = 0.

Analysing relationships with

scatter plots