Introduction to Statistics

Introduction to Statistics
A method used to examine inflation rate anticipation, unemployment rate and capacity utilisation to produceproducts is classified as:
Data Exporting Technique
Data Importing Technique
Forecasting Technique
Data Supplying Technique
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Introduction to Statistics
Individual respondents, focus groups, and panels of respondents are categorized as:
Primary Data Sources
Secondary Data Sources
Itemised Data Sources
Pointed Data Sources
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Introduction to Statistics
Life of a T.V picture tube is a:
Discrete variable
Continuous variable
Qualitative variable
Constant
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Introduction to Statistics
When data are collected in a statistical study for only a portion or subset of all elements of interest we areusing:
A sample
A Parameter
A Population
Both b and c
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Introduction to Statistics
Sum of dots when two dice are rolled is:
A discrete variable
A continuous variable
A constant
A qualitative variable
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Introduction to Statistics
The grouped data is also called:
Raw data
Primary data
Secondary data
Qualitative data
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Introduction to Statistics
Questionnaire survey method is used to collect:
Secondary data
Qualitative variable
Primary data
None of these
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Introduction to Statistics
Census reports used as a source of data is:
Primary source
Secondary source
Organized data
None
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Introduction to Statistics
According to the empirical rule, approximately what percent of the data should lie within $mu pm2sigma$?
75%
68%
99.7%
90%
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Introduction to Statistics
Statistic is a numerical quantity, which is calculated from:
Population
Sample
Data
Observations
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