Statistics Review Jeopardy

Displaying Data

100

What the line inside the a box in a boxplot represents

Median

200

This term describes how spread out the values in a data set are

Variability

300

The type of quantitative graph most appropriate for modeling 20 individual test scores. 

Dot Plot

400

When adding or subtracting a constant to each value of data this summary statistic will remain unchanged

Standard Deviation

500

If a distribution is skewed to the right, this must be true about the comparison between mean and median

Mean > Median

Bivariate Data

100

This term describes how closely data points follow a clear form in a scatterplot

Strength

200

The term for making unreliable predictions outside the graph or data values given

Extrapolation

300

A variable that has an important effect on the data, but is not included among the variables under consideration

Lurking Variable

400

What the R^2 value stands for and measures

The "Correlation of Determination", measures the amount of variation in "y" explained by the variation in "x"

500

This equation transforms exponential data into a linear form

ln(ŷ) = ln(a) + ln(b)x

Random Data

100

Sampling based on selecting individuals based on ease of access

Convenience Sampling

200

When individuals select themselves to be part of a sample

Voluntary Response Sampling

300

Sampling in which groups are divided heterogeneously and all are sampled from each group

Cluster Sampling

400

The conclusion of data that can be drawn when following an experimental study

Cause and Effect

500

Mrs. Whitney was an absolute weapon in this track event

The 400m (57.9s)

Probability

100

Define an "independent event" in terms of probability

The events do not affect each other's outcomes

200

If a fair coin has come up "heads" 16 times in a row, this is the probability that it will come up heads on the next flip

50%

300

A card is randomly drawn from a deck, this is the probability that the card is a heart or a king

4/13 

400

An ice-cream stand reports stand reports that 12% of cones sold are "jumbo" size. This is the probability that the first "jumbo" cone they sell is the forth total cone sold on that day

0.08

500

This is the probability that a family doesn't have a baby girl until their third child

0.125

Assorted Testing

100

Define a type I error

We reject the null hypothesis, but it's true

200

This Chi-Square test involves one categorical variable with multiple categories from two or more populations

Chi-Square test of homogeneity

300

As the confidence level increases, this is true of the confidence interval

The confidence interval increases

400

This is the interpretation of the p-value in hypothesis testing

The probability of obtaining the observed results by chance, assuming that the null hypothesis is true

500

Name all conditions for testing linear regressions

Linear, Independent, Normal, Equal SD, Random