Sampling & Experiments
Neither the subject nor those who measure the response variable know which treatment a subject received.
What is a double-blind experiment?
How a correlation of 0.53 would be described.
What is moderate and positive?
The boundaries for outliers when using IQR.
What is Q1 - 1.5(IQR) and Q3 + 1.5(IQR)?
The probability of rolling a fair die three times and getting three fours.
What is 1/216 or 0.0046
A common form of sampling that involves splitting the population into roughly equal groups, then sampling all individuals in a randomly selected group
What is cluster sampling?
The expected value when x=12 for the least-square regression line, y = 15 + 4x
What is 63?
The thing that correlation does not prove.
What is Causation?
The probability of pulling a red or queen from a standard deck of cards.
What is 29/52 or 0.557
The probability of at most 8 successes in 12 trials given a probability of success of 45%.
What is DISTR (or 2nd VARS)--> binomcdf(12,.45,8)?
The problem with using a regression equation to make predictions outside the range of values used to build the regression equation. (Vocab Word)
What is extrapolation?
The measure of center that is not resistant to skewed distributions.
What is the mean of the distribution?
The rule/formula for P(9th grade | Male)
What is P(9th grade Male)/P(Male)
The probability of getting a value between 10 and 20 on a normal distribution with a mean of 25 and a standard deviation of 8.
What is DISTR (or 2nd VARS)--> NormalCDF(10, 20, 25, 8)?
The three essential elements of any well designed experiment.
What are comparison, replication, and random assignment of treatment?
How you calculate residuals
What is Observed Value - Predicted Value?
The phenomena of an individual showing change in an experiment, despite receiving the control treatment, often due to the belief that such a change will occur
What is the placebo effect?
The 4 requirements for a binomial distribution
What are set number of trials, two outcomes, independent trials, and same probability for each trail.
The chi-squared goodness-of-fit test statistic with observed values in L1 and expected counts in L2 and 5 categories.
What is STAT-> TESTS->D:X^2GOF-Test(L1, L2, 4)?
The shape you expect to see on a residual plot if the model is appropriate
What is a random distribution?
The 3 versions of the large counts condition.
What is n>=30, Successes and Failures are both at least 10, and Expected Count is at least 5.
The probability of flipping exactly 4 heads in 10 coin flips.
What is 0.205
Ten random intergers without repeating from 1 to 100.
What is MATH--> PRB--> 5: RantIntNoRep(1,100,10)