AP Stats Chapter 7 Review Nick Friedl, Patrick Donovan, Jay Dirienzo
Q1: A variable whose value is a numerical outcome of a random phenomenon. Expected ValueNormal DistributionRandom Variable
Go to Q2 Expected Value is incorrect The correct answer was Random Variable
Go to Q2 Random Variable is correct!
Go to Q2 Normal Distribution is incorrect The correct answer is Random Variable
Q2: This graph is an example of: Density CurveProbability HistogramUniform Distribution
Go to Q3 Uniform Distribution is incorrect The correct answer is Probability Histogram
Go to Q3 Probability Histogram is correct!
Go to Q3 Density Curve is incorrect The correct answer is Probability Histogram
Q3: _____ tells us what the possible values of X are and how probabilities are assigned to those values. Variance Discrete Random Variable Probability Distribution
Go to Q4 Probability Distribution is correct!
Go to Q4 That is incorrect The correct answer is Probability Distribution
Q4: The average of the squares of the standard deviations of the observations from their mean is CriticalVarianceQuantitative
Go to Q5 Critical is incorrect The correct answer is Variance
Go to Q5 Quantitative is incorrect The correct answer
Go to Q5 Variance is correct!
Q5: A theorem that describes the result of performing the same experiment a large number of times. According to the law, the average of the results obtained from a large number of trials should be close to the expected value, and will tend to become closer as more trials are performed. Simpson’s Paradox Law of Large NumbersBill of Rights Pythagorean Theorem
Go to Q6 That is incorrect The correct answer is Law of Large Numbers
Go to Q6 Simpson’s Paradox is incorrect The correct answer is Law of Large Numbers
Go to Q6 Law of Large Numbers is correct!
Q6: Expected value is the __________ of all possible outcomes of a random variable. Cumulative FrequencyRelative FrequencySum
Go to Q7 Sum is correct!
Go to Q7 Relative Frequency is incorrect The correct answer is Sum
Go to Q7 Cumulative Frequency is incorrect The correct is Sum
Q7: A type of continuous distribution: Normal Distribution Normal ShmistributionContinuous Random Variable
Go to Q8 Normal Distribution is correct!
Go to Q8 That is incorrect The correct answer is Normal Distribution
Q8: The distribution of a random variable in which each value has the same probability of occurance: Probability Histogram Density CurveUniform Distribution
Go to Q9 That is incorrect The correct answer is Uniform Distribution
Go to Q9 Uniform Distribution is correct!
Q9: Takes all values in some intervals of numbers: Irregular Numbers Continuous Random Variable Integer Variables
Go to Q10 That is incorrect The correct answer is Continuous Random Variable
Go to Q10 Continuous Random Variable is correct!
Q10: An average of the products of the standardized X and Y observations VarianceDistributionCorrelation
End! Correlation is correct!
End! Distribution is incorrect The correct answer is Correlation
End! Variance is incorrect The correct answer is Correlation
Thanks for reviewing the Chapter 1 vocabulary!