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- Sampling and data
- Sampling and data: homework
A politician is interested in the proportion of voters in his district who think he is doing a good job. Define the following in terms of the study. Give examples where appropriate.
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A
Population
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B
Sample
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C
Parameter
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D
Statistic
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E
Variable
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F
Data
A marriage counselor is interested in the proportion the clients she counsels who stay married. Define the following in terms of the study. Give examples where appropriate.
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A
Population
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B
Sample
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C
Parameter
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D
Statistic
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E
Variable
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F
Data
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A
All the clients of the counselor
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B
A group of the clients
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C
The proportion of all her clients who stay married
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D
The proportion of the sample who stay married
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E
= the number of couples who stay married
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F
yes, no
Political pollsters may be interested in the proportion of people who will vote for a particular cause. Define the following in terms of the study. Give examples where appropriate.
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A
Population
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B
Sample
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C
Parameter
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D
Statistic
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E
Variable
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F
Data
A marketing company is interested in the proportion of people who will buy a particular product. Define the following in terms of the study. Give examples where appropriate.
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A
Population
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B
Sample
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C
Parameter
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D
Statistic
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E
Variable
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F
Data
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A
All people (maybe in a certain geographic area, such as the United States)
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B
A group of the people
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C
The proportion of all people who will buy the product
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D
The proportion of the sample who will buy the product
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E
= the number of people who will buy it
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F
buy, not buy
Airline companies are interested in the consistency of the number of babies on each flight, so that they have adequate safety equipment. Suppose an airline conducts a survey. Over Thanksgiving weekend, it surveys 6 flights from Boston to Salt Lake City to determine the number of babies on the flights. It determines the amount of safety equipment needed by the result of that study.
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A
Using complete sentences, list three things wrong with the way the survey was conducted.
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B
Using complete sentences, list three ways that you would improve the survey if it were to be repeated.
Suppose you want to determine the average number of students per statistics class in your state. Describe a possible sampling method in 3 – 5 complete sentences. Be detailed.
Suppose you want to determine the average number of cans of soda drunk each month by persons in their twenties. Describe a possible sampling method in 3 - 5 complete sentences. Be detailed.
726 distance learning students at Long Beach City College in the 2004-2005 academic year were surveyed and asked the reasons they took a distance learning class. (
Source: Amit Schitai, Director of Instructional Technology and Distance Learning, LBCC ). The results of this survey are listed in the table below.
Reasons for taking lbcc distance learning courses
| Convenience |
87.6% |
| Unable to come to campus |
85.1% |
| Taking on-campus courses in addition to my DL course |
71.7% |
| Instructor has a good reputation |
69.1% |
| To fulfill requirements for transfer |
60.8% |
| To fulfill requirements for Associate Degree |
53.6% |
| Thought DE would be more varied and interesting |
53.2% |
| I like computer technology |
52.1% |
| Had success with previous DL course |
52.0% |
| On-campus sections were full |
42.1% |
| To fulfill requirements for vocational certification |
27.1% |
| Because of disability |
20.5% |
Assume that the survey allowed students to choose from the responses listed in the table above.
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A
Why can the percents add up to over 100%?
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B
Does that necessarily imply a mistake in the report?
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C
How do you think the question was worded to get responses that totaled over 100%?
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D
How might the question be worded to get responses that totaled 100%?
Questions & Answers
I'm interested in biological psychology and cognitive psychology
what does preconceived mean
How can I develope my cognitive domain
why is communication effective
Communication is effective because it allows individuals to share ideas, thoughts, and information with others.
effective communication can lead to improved outcomes in various settings, including personal relationships, business environments, and educational settings. By communicating effectively, individuals can negotiate effectively, solve problems collaboratively, and work towards common goals.
it starts up serve and return practice/assessments.it helps find voice talking therapy also assessments through relaxed conversation.
miss
Every time someone flushes a toilet in the apartment building, the person begins to jumb back automatically after hearing the flush, before the water temperature changes. Identify the types of learning, if it is classical conditioning identify the NS, UCS, CS and CR. If it is operant conditioning, identify the type of consequence positive reinforcement, negative reinforcement or punishment
please i need answer
Wekolamo
because it helps many people around the world to understand how to interact with other people and understand them well, for example at work (job).
Agreed 👍 There are many parts of our brains and behaviors, we really need to get to know. Blessings for everyone and happy Sunday!
ARC
A child is a member of community not society elucidate ?
Isn't practices worldwide, be it psychology, be it science. isn't much just a false belief of control over something the mind cannot truly comprehend?
compare and contrast skinner's perspective on personality development on freud
Skinner skipped the whole unconscious phenomenon and rather emphasized on classical conditioning
war
explain how nature and nurture affect the development and later the productivity of an individual.
nature is an hereditary factor while nurture is an environmental factor which constitute an individual personality. so if an individual's parent has a deviant behavior and was also brought up in an deviant environment, observation of the behavior and the inborn trait we make the individual deviant.
Samuel
I am taking this course because I am hoping that I could somehow learn more about my chosen field of interest and due to the fact that being a PsyD really ignites my passion as an individual the more I hope to learn about developing and literally explore the complexity of my critical thinking skills
and having a good philosophy of the world is like a sandwich and a peanut butter 👍
Jonathan
generally amnesi how long yrs memory loss
interpersonal relationships
What would be the best educational aid(s) for gifted kids/savants?
treat them normal, if they want help then give them.
that will make everyone happy
Saurabh
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Source:
OpenStax, Collaborative statistics (with edits: teegarden). OpenStax CNX. Jul 20, 2009 Download for free at http://legacy.cnx.org/content/col10561/1.3
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