WHAT DO YOU THINK ABOUT
Whether you think about it or not, We use statistics everyday and we rely upon standards to make our lives easier. These are some of many everyday situations where a good understanding of statistics can serve as a guide to making better decisions.
Even though you may not have realized it, you probably have made some statistical statements in your everyday conversation or thinking.
Statements like "I sleep for about eight hours per night on average" and "You are more likely to pass the exam if you start preparing earlier" are actually statistical in nature.
means a population is the whole set of items from which a data sample can be drawn, so a sample is only a portion of the population data. Features of a sample are described by statistics.
Statistical methods enable us to arrange, analyse and interpret the sample data obtained from a population.
(i) MEAN
(ii)MEDIAN
(iii) MODE
WHAT ARE mean, median and mode?