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WorksheetsChapter1-intro to statistics part1
Total questions: 10
Worksheet time: 3mins
Statistics is ....
a scientific method related to collected, organised, summarized, analyzed and interpret data to make decision in a study
a scientific method related to collected, organised, summarized and interpret data to make decision in a study
a scientific method to find something about population in a study
a scientific method to describe the basic features of the data in a study
Descriptive statistics is
statistical methods used to find something about population
statistical methods used to describe data that have been collected
statistical methods used to forecast something under study
statistical methods used to estimate something under study
Which one is NOT refer to inferential statistics
methods to find out something about population
also called inductive statistics
make inferences from data to more general conditions
used to present quantitative descriptions in a manageable form
State the statement is whether descriptive or inferential.
a) A sales manager plotted his daily sales data and observed that sales are increasing.
descriptive
inferential
State the statement is whether descriptive or inferential.
b) A quality control officer detects 5% detective components after inspecting a sample of 250 components from one production run
descriptive
inferential
Data from primary sources always contain accurate information, true or false
True
False
State whether it is primary or secondary data sources.
School records
Primary data
Secondary data
State whether it is primary or secondary data sources.
The data from postal questionnaires
Primary data
Secondary data
State whether it is primary or secondary data sources..
Your course lecture note
Primary data
Secondary data
State whether it is primary or secondary data sources.
Information from the census
Primary data
Secondary data
