
Quiz on Quantitative Analysis
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University
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Hard
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14 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
What is the primary focus of Descriptive Statistics?
Analyzing sample data
Making predictions about a population
Collecting and presenting data
Testing hypotheses
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Which of the following is an example of Inferential Statistics?
Counting the number of students in a school
Calculating the average score of a class
Determining the relationship between age and buying preference
Surveying a sample to predict election outcomes
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
What does a Type I Error represent?
Accepting a false alternative hypothesis
Rejecting a true null hypothesis
Failing to reject a false null hypothesis
Failing to accept a true alternative hypothesis
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Which measure of central tendency is the middle value in a data set?
Mean
Median
Mode
Range
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
What type of sampling involves selecting every nth member from a population?
Simple random sampling
Systematic sampling
Cluster sampling
Stratified sampling
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
In hypothesis testing, what does the null hypothesis (Ho) typically represent?
A claim that is always accepted
A prediction about the outcome of a study
A statement that must be proven true
A statement of no effect or no difference
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Which of the following is a characteristic of Non-probability sampling?
Every member has an equal chance of being selected
It requires a large sample size
Selection is based on specific criteria
It is always random
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