CMN 3102: Lecture #3 Jan 21 2014
Ideas: Attendance in lectures, dgds, tutorials and how this affects grade performance.
The cost of education too high/ too low? Is this justified?
What are the differences in perceptions towards Internet banking security between adolescents and adults?
Variables: perceptions towards internet banking security
Groups: adolescents, adults
Lab assignment: posted on blackboard
Measures of central tendency
Measures of variability/dispersion
Frequency distribution: percentage distribution of the variable of interest
Tables of charts that summarize the distribution of a variable Frequency tables
Can be used for all types of variables
Graphs charts can be used illustrate frequenct distributions
Measures of Central Tendency:
The mode: value that occurs most frequently
Nominal variables, ordinal, and interval/ratio variables
The median: middle Value
Ordinal and i