Show:
Units 1+2
Unit 3
Unit 4+5
Unit 6
Unit 7
100

Distilling meaning from data

What is statistics?

100

Events have no overlap on a venn diagram?

What are mutually exclusive events? OR What are disjoint events?

100

Population:parameter, sample::_______.

What is statistic?

100

A t-model will appear progressively more normal.

What is as degrees of freedom approaches infinity?

100

Variable that describes how much of the variability of y on x can be explained by the LSRL.

What is the coefficient of determination?

200

A modified segmented bar graph in which the width of each rectangle is proportional to the number of individuals in the corresponding category.

What is a mosaic plot?

200

When P(A|B)=P(A).

What is independence?

200

SRS, independence, np & nq BOTH greater than 10.

What are the conditions to use a Normal model?

200

invT calculator function.

What is used to find the critical value (t*)?

200

Conclusion when the residual graph of a data set shows a strong pattern.

What is not linear?

300

Range, IQR, and standard deviation.

What are measures of spread?

300
A diagram that helps to organize the probabilities of multiple events using branches.

What is a tree diagram?

300

State, Plan, Do, Conclude.

What are the 4 steps of a confidence interval? OR What are the 4 steps of a hypothesis test?

300

Describes how the results don't change much even when conditions for inference aren't met.

What is robust?

300
Number ranging from -1 to 1 that describes the strength and direction of the association between two variables.

What is correlation?

400
Repeated measurements that are not close to the population parameter vs. consistent measurements.

What is bias vs. variability?

400

A calculator command that finds the probability that a variable will fall in an interval supplied by the user. (AKA your best friend for this unit)

What is normalcdf?

400
If we take many many spamples of ____, approximately ___% of the samples will include the true proportion of ____ in the population of ____.
What is an interpretation of a confidence level?
400

0.05

What is the typical value for alpha (used when a value has not been stated)?

400

Strength, form, direction, and unusual features?

What are the characteristics of a scatterplot?

500

The levels of two factors are associated in a way that prevents their effects from being separated.

What is confounding?

500

A probability distribution with the condition of a fixed number of trials.

What is a binomial distribution?

500

What the second statement in a conclusion should reference (We do/do not have sufficient evidence to conclude...).

What is the alternate hypothesis?

500

The Chi-square test that helps to determine whether variance from an expected distribution is purely random or may be due to an outside variable.

What is the Chi-square Goodness of Fit Test?

500

Indication of a negative residual.

What is overestimate of the LSRL?