WorksheetsIntroduction to statistics
Total questions: 10
Worksheet time: 5mins
Discrete data are countable data.
True
False
Raw data are information that have been processed or analysed.
True
False
Qualitative data are measured with non-numeric scale and also called categorical data.
True
False
Secondary data are collected by other parties for their use.
True
False
Telephone interviews is a set of questionnaire are prepared on paper and are given to respondent to be answered.
True
False
Characteristics of a sample is parameter.
True
False
What is sampling frame?
A survey involving getting data from the whole population
Lists the items from which the sample can be obtained
Getting data from a sample of the population
The complete set of the items that are of interest in the research
Following are probability sampling technique except:
Simple random sampling
Snowball sampling
Systematic sampling
Stratified sampling
Systematic is the most effective in dealing with heterogeneous population.
True
False
Non-random sampling methods are used when generalization concerning the population is not required or when sampling frame are difficult to obtain.
True
False
