AP Stats Vocab Packet Quiz 2 & 3 combined

The events, black card and red card are an example of __________ because together they represent the entire sample space.

• independent events
• complementary events
• binomial distribution
• geometric distribution

Tags

CCSS.HSS.CP.A.1

What does the following represent?
Random sample of 100 students from each grade level at a high school to complete a survey.

• SRS
• blocking
• stratified random sample
• experiment

Tags

CCSS.HSS.IC.A.1

CCSS.HSS.IC.B.3

Event A is getting a queen and event B is getting a king.
Two cards are drawn. If the P(getting a king) = P(getting a king given that you got a queen the first time) then the events are _____________

• independent
• complementary
• binomial distributions
• geometric distributions

The following is an example of what?
If the experiment were repeated over and over again, the probability of rolling a 6 is 1/6.

• Interpreting Expected value/mean
• Sampling distribution of the sample mean
• Interpreting Probability
• why large samples give more trustworthy results

Formulas are used to find what?

• unbiased estimator
• explain a P-value
• carry out a two-sided test from a confidence interval
• sample size

State: What hypothesis do you want to test? 
Plan: Choose appropriate inference method and check conditions
Do: If conditions are met, perform calculations. Compute the test statistic and find the P-value
Conclude: Interpret the results
What does this represent?

• 4-step process for confidence intervals
• 4-step process for significance test
• interpreting a confidence interval
• interpreting a significance test

I am 95% confident that the interval from 0.25 to 0.86 captures the true population proportion of eels that are found in the Laguna Lake.

• Interpreting a confidence interval
• interpreting a confidence level
• explain a p-value
• interpreting expected value/mean

Rejecting the null hypothesis when it was actually true is a _______________

• Type II error
• Type I error
• power
• factor that affect power

Type of test done when have 1 categorical variable from 2 populations.

• Chi Squared test for Goodness of Fit
• Chi Squared test for Homogeniety
• Chi Squared test for Association/Independence
• Two sample t-test

Degrees of freedom for Chi Squared Homogeneity or Association/Independence is found by ______________

• df = n - 1
• df = n - 2
• df = # of categories - 1
• df = (# of rows - 1)(# of columns - 1)