AP Statistics First Semester Review

An effect is ____ _____ if it is too great to be caused by chance.

The word "and" in a probability question signifies

Any point that doesn't fit with the rest is called an

What is a residual?

An example of a systematic sample would be asking

Type of sample. Randomly select a department and survey all the people in it.

We use venn diagrams for

Weight

A parameter is

When data is skewed, the mean is pulled

A and B have an r of 0.56. If A was less than the mean by 1.3 SDs, then B was _____ the mean

The two types of data we studied are

Quadratic data has an r of

A tree diagram is used for

If a ___ ____ is done correctly, it can determine cause and effect.

The first bulls eye is on the 3rd arrow

Which of the following is not a form of design?

All of the following are ways you can express data in a linear transformation except

This reduces variation and splits the subjects into homogenous groups.

How do you "describe a distribution"?

If a segmented bar chart shows notable differences of data, then it is

Describe the shape of this distribution.

All of the following are w questions associated with data except

True or false. Categorical data does not make sense to calculate a mean.

The association in this picture has a r of

If a point is far left or far right from the mean, then it has

An attempt to try to get everyone in the population is called a

Describe the shape of this distribution.

Making a prediction outside of the data given means you are

if I multiply each X by 100, add 12 to each y, and switch X and y, r

When running a simulation, you should _____ it several times.

If x and y are swapped,

The closer our proportion gets to the hypothetical probability

Phone numbers

Which of the following is not a good way to sample a population?

Experimental design, principles,treatment, blinding, +response variable r needed 4 experiments

___blinding is when the subject does not know what group they belong to or what the study is on

What results from samples that do not represent the population?

The Normal Model is also known as the

What is the term for the most common number?

Things that cannot happen at the same time are

If you calculate a positive residual, the actual value was

If you calculate a negative residual, that means that the actual value was

What is the interquartile range?

How do you mathematically figure out if a point is an outlier or not?

You ask people if they are right handed until you get a left handed. This is a

A type of study where no treatments are imposed and cannot show cause and effect are called

What is a random variable?

All of the following are types of quantitative data except

The proportion of times the outcome would occur for a large number of repetitions is called

Are a snow day and the number of car crashes that day positively or negatively associated?

A z-score is

Being an _____ point means that it affects the slope

Data are not curved if a residual plot

In the LinReg equation, y=a+bx, A stands for

According to the model, ____ increases/decreases approx ____ by ____. This is

The word "or" in a probability question signifies

Describe the association.

When questions ask if there is a relationship in the association, remember that

A simple random sample is

Age groups

Which is correct for conditional probabilities?

You can display categorical data on all of the following charts except

SAT scores

The group where no treatment is applied is called the

What is the equation for LinReg?

In the LinReg equation, y=a+bx, what does b stand for?

The median is the

Another way to express y=a+bx is

When describing the data distribution of quantitative data, we use the acronym

All of the following are types of graphs used to display quantitative data except

Describe the association.

Lying is a type of

Formula for finding a range.

A type of bias that only people that feel strong respond is called a

A placebo is

A 5 number summary is used for a

The 5 number summary is used for this type of graph.

Describe the association.

____% of the variation in y can be explained by X. This is

true or false. You must control variables, randomize, and replicate an experiment to be valid.

When re-expressing data, you must run the ____ to check for a curve.

This association has a r of

A sampling scheme that combines several sampling methods

Describe the association.

The binomial model tells you

The experimental condition being imposed on the group is called the

If this point was removed from this association, would it increase or decrease?