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Standard deviation: Quiz

  
  

Question 1: For example, the average height for adult men in the ________ is about 70 inches (178 cm), with a standard deviation of around 3 in (8 cm).
PhilippinesAlaskaCanadaUnited States

Question 2: For example, in the case of the ________ with parameters μ and σ2, the standard deviation is [(exp(σ2)-1)exp(2μ+σ2)]1/2.
Log-normal distributionPoisson distributionChi-square distributionStudent's t-distribution

Question 3:
Standard deviation, Variance and Data mining are all:
Statistical terminology Summary statistics Data analysis Pages with intro too long

Question 4: The standard deviation of a discrete random variable is the root-mean-square (RMS) deviation of its values from the ________.
MeanVarianceArithmetic meanMedian

Question 5: Here the operator E denotes the average or ________ of X.
VarianceProbability distributionCumulantExpected value

Question 6:
Standard deviation, Dependent and independent variables and Confidence interval are all:
Summary statistics Statistical terminology Data analysis Pages with intro too long

Question 7:
Standard deviation, Gini coefficient and Mode (statistics) are all:
Pages with intro too long Summary statistics Data analysis Statistical terminology

Question 8: Standard deviation is also important in ________, where the standard deviation on the rate of return on an investment is a measure of the volatility of the investment.
DebtFinanceFinancial marketBond (finance)

Question 9: For various values of z, the percentage of values expected to lie in and outside the symmetric ________ CI = (−) are as follows:
Normal distributionStatistical hypothesis testingConfidence intervalStudent's t-distribution

Question 10: [3] A useful property of standard deviation is that, unlike ________, it is expressed in the same units as the data.
VarianceProbability distributionMoment (mathematics)Normal distribution
















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