Reasoning About Variation

摘要: Basically two main aspects of variation have come to light in these descriptions. One aspect is how spread out the numbers are. Students give responses that suggest some indication being considered when they are dealing with extreme values using range. The other what happening contained within Responses considering behavior middle may specific information about numbers; or just attributes necessary for numbers, such as wanting them be different. When description brought together, deviations begin become an issue; and anchored a value, usually center description, it will eventually focus student’s distribution.