
Stats– sampling
Quiz
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Social Studies
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University
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Practice Problem
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Easy
Raynae Dumpfrey
Used 2+ times
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9 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a population?
A collection of individual people or items
A finite sample of what you want to investigate
An infinite sample of what you want to investigate
A group of whatever you want to investigate
2.
WORD CLOUD QUESTION
30 sec • Ungraded
Name one disadvantage of censuses.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a sample?
A collection of individuals or objects
A sub-set of the population
A group of people or objects
A randomly selected individuals
4.
WORD CLOUD QUESTION
1 min • Ungraded
What is one concern or caution with sampling?
5.
WORD CLOUD QUESTION
1 min • Ungraded
What's one disadvantage when sampling?
6.
WORD CLOUD QUESTION
1 min • Ungraded
A call center has 400 people operating the telephones. The manager decides that he needs to know how long the operatives are sepnding on each call. He times a random sample of 20 operators over one day and works out the mean time per call.
Suggest a sampling frame.
7.
WORD CLOUD QUESTION
1 min • Ungraded
A call center has 400 people operating the telephones. The manager decides that he needs to know how long the operatives are sepnding on each call. He times a random sample of 20 operators over one day and works out the mean time per call.
What are the sampling units?
8.
MULTIPLE CHOICE QUESTION
30 sec • Ungraded
A call center has 400 people operating the telephones. The manager decides that he needs to know how long the operatives are sepnding on each call. He times a random sample of 20 operators over one day and works out the mean time per call.
Is the mean time the manager calculates reliable?
Yes
No
9.
WORD CLOUD QUESTION
1 min • Ungraded
A call center has 400 people operating the telephones. The manager decides that he needs to know how long the operatives are sepnding on each call. He times a random sample of 20 operators over one day and works out the mean time per call.
Suggest which distribution we should use to model how long the operatives spend on each call.
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