Notes - Chapter 02 - MGMT 2340 Section W01 Business...

Info iconThis preview shows pages 1–6. Sign up to view the full content.

View Full Document Right Arrow Icon
MGMT 2340 Section W01 Business Statistics I Instructor: E. Mark Leany contact via Blackboard online.uen.org alternately: professorleany@gmail.com Chapter 2 Describing Data: Frequency Tables, Frequency Distributions, and Graphic Presentation 21
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
GOALS - Chapter 2 1. Organize qualitative data into a frequency table . 2. Present a frequency table as a bar chart or a pie chart . 3. Organize quantitative data into a frequency distribution . 4. Present a frequency distribution for quantitative data using histograms , frequency polygons , and cumulative frequency polygons . 21 Frequency Table FREQUENCY TABLE A grouping of qualitative data into mutually exclusive classes showing the number of observations in each class. 22
Background image of page 2
Bar Charts BAR CHART A graph in which the classes are reported on the horizontal axis and the class frequencies on the vertical axis. The class frequencies are proportional to the heights of the bars. 23 Pie Charts PIE CHART A chart that shows the proportion or percent that each class represents of the total number of frequencies. 24
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Pie Chart Using Excel 25 Frequency Distribution FREQUENCY DISTRIBUTION A grouping of data into mutually exclusive classes showing the number of observations in each class. 27
Background image of page 4
Relative Class Frequencies z Class frequencies can be converted to relative class frequencies to show the fraction of the total number of observations in each class. z A relative frequency captures the relationship between a class total and the total number of observations. 22 Frequency Distribution Class interval: The class interval is obtained by subtracting the lower limit of a class from the lower limit of the next class. Class frequency:
Background image of page 5

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 6
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 17

Notes - Chapter 02 - MGMT 2340 Section W01 Business...

This preview shows document pages 1 - 6. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online