Chapter 1 Review 2020

Part of the group which receives no real stimulus

Collection, Organization, Summation, and presentation of data

Ratio is the highest level of measurement

Sample is part of the population

individuals are selected by every 'k"th person

a random variable that is counted

lowest level of measurement

values determined by chance

All or Every individual being studied

A decision making process for evaluating claims about the population

collection of data values

Zero is the difference between ordinal and interval

a variable that can be categorically listed

Individual are selected by grouping first then sampling, strata

Sampling should be used when neither the time nor the money is available to study the entire population.

Individuals are selected from preexisting geographic groups

a variable that is numerical in nature

The science of conducting studies to make data driven decisions.

The best survey method is always personal interview

Measurements or observations taken from the population