What is the purpose of z-scores?

to describe the exact location of a score within a distribution

to find the mean of the distribution

to describe the shape of the distribution

to find the standard deviation of the distribution

How is the graph distributed?

It is clearly Normal Distribution!

It is clearly Uniform Distribution!

What does a scatter plot look like?

A graph that shows the relationship of two data sets.

A graph that shows information that is connected in some way.

A graph drawn using rectangular bars to show how large each value is.

A graph that shows data changing over time.

What is a line of best fit used for?

To make it look like you know what you are doing

the difference between the observed response and the values predicted by the model

possible models not explored by the researcher

variation in the response variable that is explained by the model

data collected from individuals that is not consistent with the rest of the group

What does my correlation coefficient (r-value) represent?

Its a summary of the direction of the correlation and the strength of the correlation.

How much the response variable increases by for every explanatory variable

The slope of my regression line

If you choose this one its wrong.

How do you interpret the coefficient of determination ( r 2 ) in least squares regression?

The coefficient of determination represents the proportion of the variance in the response variable that can be explained by the explanatory variable(s).

The coefficient of determination represents the correlation between the explanatory and response variables.

The coefficient of determination represents the average of the explanatory and response variables.

The coefficient of determination represents the proportion of the variance in the explanatory variable that can be explained by the response variable(s).

Stats Vocabulary Review

Authored by Sarah Uribe

Mathematics

9th - 12th Grade

Used 9+ times

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32 questions

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MULTIPLE CHOICE QUESTION

45 sec • 1 pt

_______ is a part of a group being surveyed.

Sample

Population

Random Sample

Quartile

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

_______ is the entire group of objects or individuals considered for research.

Sample

Population

Random Sample

Quartile

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What's your favorite subject in school?

Categorical

Quantitative

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many siblings do you have?

Categorical

Quantitative

MULTIPLE CHOICE QUESTION

2 mins • 10 pts

Which of the following lists all parts of the five number summary?

Mean, Median, Mode, Range, and Total

Minimum, Quartile 1, Median, Quartile 3, and Maximum

Smallest, Q1, Q2, Q3, and Q4

Minimum, Maximum, Range, Mean, and Median

MULTIPLE CHOICE QUESTION

2 mins • 10 pts

What is a the meaning for "median"?

A. fair share

B. middle

C. repeats the most

D. variation

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

In order to find the median, the data must be sorted from least to greatest first.

A. True

B. False

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Stats Vocabulary Review

_______ is a part of a group being surveyed.

_______ is the entire group of objects or individuals considered for research.

What's your favorite subject in school?

How many siblings do you have?

Which of the following lists all parts of the five number summary?

What is a the meaning for "median"?

In order to find the median, the data must be sorted from least to greatest first.

What measure of center is best to use when we have outliers?

When analyzing numerical data, the best measure of center with NO outlier is:

If a number is added to the set that is near the mean, how does this affect standard deviation?

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