TFL731_Week 3 (A&F chapter 2)
Quiz
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Education
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University
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Hard
Aizat Nurshatayeva
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11 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following is a characteristic that can vary in value among subjects in a sample or population?
Variable
Constant
Sample
Population
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What kind of variable has a measurement scale with numerical values?
Quantitative
Qualitative
Statistic
Parameter
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A variable with possible values from a set of separate numbers, such as 0, 1, 2, 3, etc., is called:
Discrete
Continuous
Qualitative
Categorical
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What kind of variable can take an infinite continuum of possible real number values?
Continuous
Any variable
Discrete
Categorical
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Fill in the blank in this definition:
A ________ sample of n subjects from a population is one in which each possible sample of that size has the same probability (chance) of being selected.
Simple random
Convenience
Snowball
Quota
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What kind of numbers are computer-generated according to a scheme whereby each digit is equally likely to be any of the integers 1, 2, 3, …, 9 and doesn’t depend on the other digits generated?
Random numbers
Simple numbers
Complex numbers
Real numbers
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What do we call an error that occurs when we use a statistic based on a sample to predict the value of a population parameter?
Sampling error of a statistic
Error
Sampling bias
Convenience sample
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