# Study sets matching "test chapter 5 ap statistics"

Study sets

Diagrams

Classes

Users

What is the population in a statistical…

What is the sample in a statistical stu…

What is a convenience sample, and why i…

What is a bias?

the entire group of individuals about which we want information

part of the population from which we actually collect informat…

choosing individuals who are easiest to reach results. However…

design of a statistical study that systematically favors certa…

What is the population in a statistical…

the entire group of individuals about which we want information

What is the sample in a statistical stu…

part of the population from which we actually collect informat…

complementary events

P(at least 1)

mutually exclusive events (disjoint eve…

Interpretation of A ∩ B

two disjoint events that together make up the entire sample sp…

1- P(none)

events that can't happen at the same time

A intersect B; the outcomes that are in A and that are also in…

complementary events

two disjoint events that together make up the entire sample sp…

P(at least 1)

1- P(none)

Probability

Law of Large Numbers

Simulation

Performing a Simulation

A number between 0 and 1 that describes the proportion of time…

If we observe more and more repetitions of any chance process,…

An imitation of chance behavior based on a model that accurate…

1. State: Ask a question of interest.... 2. Plan: Describe how to…

Probability

A number between 0 and 1 that describes the proportion of time…

Law of Large Numbers

If we observe more and more repetitions of any chance process,…

Probability

Law of Large Numbers

Simulation

Performing a Simulation

A number between 0 and 1 that describes the proportion of time…

If we observe more and more repetitions of any chance process,…

An imitation of chance behavior based on a model that accurate…

There are four steps:... 1. State: Ask a question of interest.... 2…

Probability

A number between 0 and 1 that describes the proportion of time…

Law of Large Numbers

If we observe more and more repetitions of any chance process,…

Population

Sample

Census

Convenience Sample

The entire group of individuals about which we want informatio…

The part of the population from which we actually collect info…

All members of the population are surveyed

Choosing individuals who are easiest to reach...almost guarant…

Population

The entire group of individuals about which we want informatio…

Sample

The part of the population from which we actually collect info…

Population

Sample

Census

Convenience Sample

The entire group of individuals about which we want informatio…

The part of the population from which we actually collect info…

All members of the population are surveyed

Choosing individuals who are easiest to reach...almost guarant…

Population

The entire group of individuals about which we want informatio…

Sample

The part of the population from which we actually collect info…

sample

observational study

experiment

confounded

representative of an entire population; a picture of the popul…

observes individuals and measures variables of interest, but d…

deliberately imposing some treatment on individuals in order t…

mixed up with; condition of explanatory and lurking variables

sample

representative of an entire population; a picture of the popul…

observational study

observes individuals and measures variables of interest, but d…

complementary events

P(at least 1)

mutually exclusive events (disjoint eve…

A ∩ B

two disjoint events that together make up the entire sample sp…

1- P(none)

events that can't happen at the same time

A intersect B

complementary events

two disjoint events that together make up the entire sample sp…

P(at least 1)

1- P(none)

Probability

Law of Large Numbers

Simulation

Sample Space (S)

A number between 0 and 1 that describes the proportion of time…

If we observe more and more repetitions of any chance process,…

An imitation of chance behavior based on a chance model that a…

The set of all possible outcomes of a chance process.

Probability

A number between 0 and 1 that describes the proportion of time…

Law of Large Numbers

If we observe more and more repetitions of any chance process,…

Response Variable

Explanatory Variable

Scatterplot

Positive Association

measures an outcome of a study, the y-variable

may help explain or predict changes in a response variable, th…

shows the relationship between two quantitative variables meas…

data points that generally go upward from left to right, somew…

Response Variable

measures an outcome of a study, the y-variable

Explanatory Variable

may help explain or predict changes in a response variable, th…

complementary events

P(at least 1)

mutually exclusive events (disjoint eve…

A ∩ B

two disjoint events that together make up the entire sample sp…

1- P(none)

events that can't happen at the same time

A intersect B; the outcomes that are in A and that are also in…

complementary events

two disjoint events that together make up the entire sample sp…

P(at least 1)

1- P(none)

What is the predictability of chance be…

What is the predictability of chance be…

Law of large numbers

Probability

unpredictable

predictable

as the size of the sample grows a specific outcome approaches…

number between 0 and 1 that describes the proportion of times…

What is the predictability of chance be…

unpredictable

What is the predictability of chance be…

predictable

complementary events

P(at least 1)

mutually exclusive events (disjoint eve…

A ∩ B

two disjoint events that together make up the entire sample sp…

1- P(none)

events that can't happen at the same time

A intersect B; the outcomes that are in A and that are also in…

complementary events

two disjoint events that together make up the entire sample sp…

P(at least 1)

1- P(none)

complementary events

P(at least 1)

mutually exclusive events (disjoint eve…

A ∩ B

two disjoint events that together make up the entire sample sp…

1- P(none)

events that can't happen at the same time

A intersect B; the outcomes that are in A and that are also in…

complementary events

two disjoint events that together make up the entire sample sp…

P(at least 1)

1- P(none)

population

sample

variable

data

the entire group of individuals that we want information about

representative of an entire population

A variable is any characteristic whose value may change from o…

results from making observations either on a single variable o…

population

the entire group of individuals that we want information about

sample

representative of an entire population

Non-Response Bias

Lurking Variable

Simple Random Sample

Randomized Block Design

A bias caused by a number of people who did not respond to the…

A variable other than x and y that simultaneously affects both…

A sample chosen in a way that every group of size n from a pop…

The random assignment of subjects to treatments is carried out…

Non-Response Bias

A bias caused by a number of people who did not respond to the…

Lurking Variable

A variable other than x and y that simultaneously affects both…

boxplot

outlier

far outlier

comparing distributions

displays the 5 number summary as central box with whiskers to…

any point more than 1.5 IQR from either end of the box in a bo…

if a point is more than 3.0 IQR from either end of the box in…

use shape, center, spread

boxplot

displays the 5 number summary as central box with whiskers to…

outlier

any point more than 1.5 IQR from either end of the box in a bo…

Probability

Law of Large Numbers

Simulation

Sample Space (S)

A number between 0 and 1 that describes the proportion of time…

If we observe more and more repetitions of any chance process,…

An imitation of chance behavior based on a chance model that a…

The set of all possible outcomes of a chance process.

Probability

A number between 0 and 1 that describes the proportion of time…

Law of Large Numbers

If we observe more and more repetitions of any chance process,…

quantitative data

qualitative data

discrete data

continuous data

data measured in numbers

data that can be classified into a group

data that can be listed or placed in order

can be measured or take on values in an interval

quantitative data

data measured in numbers

qualitative data

data that can be classified into a group

pearson's sample correlation coefficient

principle of least squeares

residuals

residual plot

a measure of the extent to which sample x and y values are lin…

method used to select a line that summarizes an approximate li…

Actual-predicted

scatterplot of the (x, residual) pairs... -isolated points or a p…

pearson's sample correlation coefficient

a measure of the extent to which sample x and y values are lin…

principle of least squeares

method used to select a line that summarizes an approximate li…

observation study

experiment

population

sample

observe individuals and measure variables of interest, don't a…

deliberately impose some treatment on individuals in order to…

entire group of individuals we want information about

part of the population we examine in order to gather informati…

observation study

observe individuals and measure variables of interest, don't a…

experiment

deliberately impose some treatment on individuals in order to…

Statistical Inference

Observational study

Experiment

Simulation

answer specific questions with a known degree of confidence

a study in which researchers don't impose treatment on individ…

a study in which researchers impose a treatment on subjects

a model of a real situation that can be used to make predictio…

Statistical Inference

answer specific questions with a known degree of confidence

Observational study

a study in which researchers don't impose treatment on individ…

statistics

data

exploratory data analysis

probability

the science (and art) of learning from data

usually numbers with context (context engages our background k…

analyzing data sets to summarize their main characteristics, o…

the measure of the likelihood that an event will occur (quanti…

statistics

the science (and art) of learning from data

data

usually numbers with context (context engages our background k…

Observational Study

Experiment

Population

Sample

We observe individuals and measure variables of interest but d…

We deliberately impose some treatment on individuals in order…

The entire group of individuals we want information about

Part of the population that we actually examine in order to ga…

Observational Study

We observe individuals and measure variables of interest but d…

Experiment

We deliberately impose some treatment on individuals in order…

complementary events

P(at least 1)

mutually exclusive events (disjoint eve…

A ∩ B

two disjoint events that together make up the entire sample sp…

1- P(none)

events that can't happen at the same time

A intersect B; the outcomes that are in A and that are also in…

complementary events

two disjoint events that together make up the entire sample sp…

P(at least 1)

1- P(none)