Jeopardy Template

Residuals

100

What is the formula for a residual value?

actual - predicted

y - y hat

200

actual = 100

predicted = 120

find the residual

-20

300

actual = 50

predicted = 20

Did the model overestimate or underestimate?

underestimate

400

The line of linear regression represents the _________ values. 

predicted

500

y hat = 50 + .01 x

Find the residual for the point (100, 60)

9

Data

100

color is an example of a ________ variable

categorical

200

number of points scored is an example of a __________ variable

quantitative

300

number of dogs in your house is a (discrete or continuous) quantitative variable.

discrete

400

your exact mile time is an example of a (discrete or continuous) quantitative variable. 

continuous

500

Explain why age could be considered discrete and continuous. 

You say you are 17 years old which would imply 17 is discrete. However, you are never EXACTLY 17 years old (17 years, 8 months, 7 days, 12 hours, 78 minutes 23 seconds, 45 milliseconds, etc..)

Confidence Interval

100

Critical value for a 99% confidence interval

2.6

200

Confidence Interval formula

p hat +/- z* (standard deviation)

300

confidence interval =

statistic +/- ( ______ __ _____ )

margin of error

400

what is the margin of error equal to?

critical value * standard deviation

500

p hat = .36

SD = .11

Calculate a 95% CI 

(.14, .58)

correlation

100

r= 0 describe the correlation

No association

200

r= -.99 represents a (Strong/weak/moderate) correlation

strong

300

r=-.12 represents a (Strong/weak/moderate) correlation. 

weak

400

Create an explanatory and response variable that would likely represent a positive correlation.

Mr L's discretion

500

Create an explanatory and response variable that would likely represent a negative correlation.

Mr L's discretion

probability

100

rolling a dice, flipping a coin. Find the probability of obtaining a 4 and tails. 

1/12

200

what are mutually exclusive events?

They cannot happen simultaneously. 

300

What is the formula to determine if events A and B are mutually exclusive?

P (A or B)  = P(A) + P(B)

400

What is the formula to check for Independent Events? 

P(A and B) = P(A) * P(B)

500

Determine if event A and event B are mutually exclusive. Explain why in either case. 

P(A) = .2 

P(B) = .16

P(A or B) = .36

Yes, they are because P(A and B) = 0.