#### Study sets matching "ap statistics moore"

#### Study sets matching "ap statistics moore"

Point Estimate

Confidence Interval

Confidence Interval (two parts)

Confidence Level C

To estimate an unknown population parameter, start with a stat…

A (confidence Interval) use sample data to estimate an unknown…

1. Interval computed from the data ... 2. Confidence Level C.

The (confidence Level C), is the success rate of the method th…

Point Estimate

To estimate an unknown population parameter, start with a stat…

Confidence Interval

A (confidence Interval) use sample data to estimate an unknown…

5 number summary

z score

standard deviation

population

The minumum value, lower quartile, median, upper quartile, and…

a measure of how many standard deviations you are away from th…

A statistical measure of how far away each value is, on averag…

(statistics) the entire aggregation of items from which sample…

5 number summary

The minumum value, lower quartile, median, upper quartile, and…

z score

a measure of how many standard deviations you are away from th…

5 number summary

z score

standard deviation

population

The minumum value, lower quartile, median, upper quartile, and…

a measure of how many standard deviations you are away from th…

A statistical measure of how far away each value is, on averag…

(statistics) the entire aggregation of items from which sample…

5 number summary

The minumum value, lower quartile, median, upper quartile, and…

z score

a measure of how many standard deviations you are away from th…

How do you check if there is outliers?

If a graph is skewed, should we calcula…

If a graph is roughly symmetrical, shou…

What is in the five number summary?

calculate IQR; anything above Q3+1.5(IQR) or below Q1-1.5(IQR)…

median; it is resistant to skews and outliers

mean; generally is more accurate if the data has no outliers

Minimum, Q1, Median, Q3, Maximum

How do you check if there is outliers?

calculate IQR; anything above Q3+1.5(IQR) or below Q1-1.5(IQR)…

If a graph is skewed, should we calcula…

median; it is resistant to skews and outliers

5 number summary

z score

standard deviation

population

The minumum value, lower quartile, median, upper quartile, and…

a measure of how many standard deviations you are away from th…

A statistical measure of how far away each value is, on averag…

(statistics) the entire aggregation of items from which sample…

5 number summary

The minumum value, lower quartile, median, upper quartile, and…

z score

a measure of how many standard deviations you are away from th…

context

data

data table

variable

ideally tells who was measured, what was measured, how the dat…

systematically recorded information, whether numbers or labels…

an arrangement of data in which each row represents a case and…

holds information about the same characteristic for many cases

context

ideally tells who was measured, what was measured, how the dat…

data

systematically recorded information, whether numbers or labels…

Statistical Significance

Non-Response Bias

P-Value

Empirical Rule

An observed effect too large to attribute plausibly to chance.

Bias introduced to a sample when a large fraction of those sam…

found by substituting the x-value in the regression equation;…

A statistical rule stating that for a normal distribution, alm…

Statistical Significance

An observed effect too large to attribute plausibly to chance.

Non-Response Bias

Bias introduced to a sample when a large fraction of those sam…

5 number summary

z score

standard deviation

population

The minumum value, lower quartile, median, upper quartile, and…

a measure of how many standard deviations you are away from th…

A statistical measure of how far away each value is, on averag…

(statistics) the entire aggregation of items from which sample…

5 number summary

The minumum value, lower quartile, median, upper quartile, and…

z score

a measure of how many standard deviations you are away from th…

context

data

data table

case

ideally tells who was measured, what was measured, how the dat…

systematically recorded information, whether numbers or labels…

an arrangement of data in which each row represents a case and…

an individual about whom or which we have data

context

ideally tells who was measured, what was measured, how the dat…

data

systematically recorded information, whether numbers or labels…

categorical data

continuous data

data

data collection

Data are categorical if they are in the form of names or label…

Measured data that can be whole numbers, fractions, or decimal…

The plural form of the word datum. A collection of pieces of i…

Gathering information for selected population members through…

categorical data

Data are categorical if they are in the form of names or label…

continuous data

Measured data that can be whole numbers, fractions, or decimal…

5 number summary

z score

standard deviation

population

The minumum value, lower quartile, median, upper quartile, and…

a measure of how many standard deviations you are away from th…

A statistical measure of how far away each value is, on averag…

(statistics) the entire aggregation of items from which sample…

5 number summary

The minumum value, lower quartile, median, upper quartile, and…

z score

a measure of how many standard deviations you are away from th…

Symmetric

Parameter

Statistic

Median

data on which both sides are fairly the same shape and size. "…

value of a population (typically unknown)

a calculated value about a population from a sample(s).

the middle point of the data (50th percentile) when the data i…

Symmetric

data on which both sides are fairly the same shape and size. "…

Parameter

value of a population (typically unknown)

Conditions for Bernoulli Trials

Geometric probability model

Mean & Standard Deviation of Geometic m…

Binomial probability model

1. There are two possible outcomes (success and failure).... 2. t…

- Tells us the probability for a random variable that counts t…

Mean = 1/p... SD = sqrt(q)/p

- Tells us the probabilty for a random variable that counts th…

Conditions for Bernoulli Trials

1. There are two possible outcomes (success and failure).... 2. t…

Geometric probability model

- Tells us the probability for a random variable that counts t…

Parameter

Statistic

Convenience Sample

Voluntary Response Sample

A calculation made from population data

A calculation made from sample data

Uses subjects that are readily available (no randomization)

Subjects choose to be part of the sample (no randomization)

Parameter

A calculation made from population data

Statistic

A calculation made from sample data

Mean

IQR

Standard Deviation

Measures of Position

Sum of observations/Number of Observations

Q3-Q1... Resistant to outliers

Common measure of spread. How far each observation is from the…

Percentiles: Percentile tells us a data point's position relat…

Mean

Sum of observations/Number of Observations

IQR

Q3-Q1... Resistant to outliers

Statistical Significance

Non-Response Bias

P-Value

Empirical Rule

An observed effect too large to attribute plausibly to chance.

Bias introduced to a sample when a large fraction of those sam…

found by substituting the x-value in the regression equation;…

A statistical rule stating that for a normal distribution, alm…

Statistical Significance

An observed effect too large to attribute plausibly to chance.

Non-Response Bias

Bias introduced to a sample when a large fraction of those sam…

Statistical Significance

Non-Response Bias

P-Value

Empirical Rule

An observed effect too large to attribute plausibly to chance.

Bias introduced to a sample when a large fraction of those sam…

found by substituting the x-value in the regression equation;…

A statistical rule stating that for a normal distribution, alm…

Statistical Significance

An observed effect too large to attribute plausibly to chance.

Non-Response Bias

Bias introduced to a sample when a large fraction of those sam…

context

data

data table

case

ideally tells who was measured, what was measured, how the dat…

systematically recorded information, whether numbers or labels…

an arrangement of data in which each row represents a case and…

an individual about whom or which we have data

context

ideally tells who was measured, what was measured, how the dat…

data

systematically recorded information, whether numbers or labels…

Type I Error

Type II Error

z-distribution

normal

Type 1 Error (level of significance-alpha):... FALSE POSITIVE: In…

Type 2 Error (Statistical power-beta): ... FALSE NEGATIVE: Failur…

The standard normal distribution (z distribution) is a normal…

a bell-shaped curve, describing the spread of a characteristic…

Type I Error

Type 1 Error (level of significance-alpha):... FALSE POSITIVE: In…

Type II Error

Type 2 Error (Statistical power-beta): ... FALSE NEGATIVE: Failur…

Individuals

Variable

Categorical Variable

Quantitative Variables

The objects described by a set of data. Can be people, animals…

Any characteristic of an individual.

Type of variable that places an individual into one of several…

Type of variable that takes numerical values for which it make…

Individuals

The objects described by a set of data. Can be people, animals…

Variable

Any characteristic of an individual.

Statistical Significance

Non-Response Bias

P-Value

Empirical Rule

An observed effect too large to attribute plausibly to chance.

Bias introduced to a sample when a large fraction of those sam…

found by substituting the x-value in the regression equation;…

A statistical rule stating that for a normal distribution, alm…

Statistical Significance

An observed effect too large to attribute plausibly to chance.

Non-Response Bias

Bias introduced to a sample when a large fraction of those sam…

LSRL

standard deviation

outlier rule

linear transformations

Least Squares Regression Line: the linear fit that matches the…

Measures spread by giving the "typical" or "average" distance…

Upper Bound = Q3 + 1.5(IQR)... Lower Bound = Q1 - 1.5(IQR)... IQR =…

Adding "a" to every member of a data set adds "a" to the measu…

LSRL

Least Squares Regression Line: the linear fit that matches the…

standard deviation

Measures spread by giving the "typical" or "average" distance…

point estimator

point estimate

C% confidence interval

margin of error

a statistic that provides an estimate of a population parameter

the value of a statistic from a sample

gives an interval of plausible values for a parameter... point es…

shows how close we believe our guess is, based on the variabil…

point estimator

a statistic that provides an estimate of a population parameter

point estimate

the value of a statistic from a sample

How do you check if there is outliers?

If a graph is skewed, should we calcula…

If a graph is roughly symmetrical, shou…

What is in the five number summary?

calculate IQR; anything above Q3+1.5(IQR) or below Q1-1.5(IQR)…

median; it is resistant to skews and outliers

mean; generally is more accurate if the data has no outliers

Minimum, Q1, Median, Q3, Maximum

How do you check if there is outliers?

calculate IQR; anything above Q3+1.5(IQR) or below Q1-1.5(IQR)…

If a graph is skewed, should we calcula…

median; it is resistant to skews and outliers