Collecting Data and Frequency Tables

Lesson Objectives

To be able to:

Decide which data to collect to answer a question, and the degree of accuracy needed; identify possible sources.
Plan how to collect data, including sample size; construct frequency tables withequal class intervals for sets of continuous data.
Discuss how data relate to a problem; identify possible sources, including primary and secondary sources.
Design a survey or experiment to capture the necessary data from one or more sources; determine the sample size and degree of accuracy needed; design, trial and if necessary refine data collection sheets.

data, frequency table, class interval, data collection, sample size, bias, primary source secondary source.