What is the relative frequency probability definition?

In the long run proportion of times that the outcome occurs in trials

What is the subjective definition of probability?

Probability is dependent on personal probability

What does equally likely mean?

All possible outcomes have the same chance of happening

Which of these is NOT a reason we should use experiments?

Observational studies can be unethical

What is personal probability?

Degree of belief that the outcome will occur based on the given information

An independent trial is...

When the outcome of a trial is not dependent on a previous one

Which of these is an example of a Prospective study?

Following a group of individuals to see how pesticides affect cancer rates

Which of these is an Axiom of probability?

The probability of each outcome is between 1 and 0

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Session 10/1 opener

17 termsStudBud Administration6 plays

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Questions 17

Answers

1
What type of bias is this? A clinical study that includes a lot more men than women
Sampling bias
Non-response bias
Response bias
Convenience bias
2
Volunteer sampling is a great way to sample
False
True
3
What is the relative frequency probability definition?
The sum of the frequencies of all events up to a certain point in a dataset
The total number of times a specific event occurs, without a # of trials
The likelihood or chance of a particular event occurring
In the long run proportion of times that the outcome occurs in trials
4
What is the subjective definition of probability?
All possible events have an equal opportunity of occurring
Degree of belief that outcome will occur based on given information
Probability is the same no matter what
Probability is dependent on personal probability
5
Bayesian probability falls under the relative definition
True
False
6
What does equally likely mean?
All events are the same
One of the outcomes is more or less likely to happen
All possible outcomes have the same chance of happening
None of the events are the same
7
What type of study is this: looking at history of tanning to see development of skin cancer
Prospective
Retrospective
Multifactor
Sample survey
8
Which of these is NOT a reason we should use experiments?
Reduces chances for lurking variables
Explanatory variable can be more accurately studied
Can imply causation
Observational studies can be unethical
9
The control group gets the placebo
False
True
10
What is personal probability?
Personal opinions about statistics
How my knowledge about how dolphins are evil changes statistics for earth
The process of updating probability as more information becomes available
Degree of belief that the outcome will occur based on the given information
11
Interns at a phone company are assigned to call randomly selected individuals in each specific age group
Simple random sample
Cluster random sample
Cross-sectional sample
Stratified random sample
12
An independent trial is...
When a person completes a trial and automatically moves on to the next
When the outcome of a trial is dependent on the earlier outcome
When an event happens by itself
When the outcome of a trial is not dependent on a previous one
13
Which of these is not an element of a good experiment?
Control group
Placebo
Blindness
Variability
14
Which of these is an example of a Prospective study?
Looking at employment trends
Measure the weight and height of a random sample of people to see obesity
Following a group of individuals to see how pesticides affect cancer rates
Looking at someone medical history to see if they are risk for heart attack
15
Which of these is an Axiom of probability?
When an event contains all possible outcomes
A disjoint event
Another name for the event
The probability of each outcome is between 1 and 0
16
What type of sample is this: 3 neighborhoods being chosen out of 10 to participate in a survey about HOA’s
Stratified random sample
Multifactor sample
Simplified random sample
Cluster sample
17
A sample space is a subset of itself
True
False

Session 10/1 opener Flashcards | StudBud