Calculating the Variance and Standard Deviation

Related BrainMass Solutions

• Calculating mean, variance, and standard deviation for a given distribution.

  =sqrt(Var(X))=sqrt(1.9061)=1.3806 The following outlines the process of calculating mean, variance, and standard deviation.

• Calculating the mean, variance and standard deviation

  500974 Calculating the mean, variance and standard deviation Find the mean, variance, and standard deviation of the binomial distribution with the given values of n and p.

• Calculating standard deviation, variance and expected return

  of return=428.75 Standard Deviation=square root of variance=20.70627924 The solution describes the formula and methodology for calculating variance, standard deviation and expected returns for Smith Stores.

• Accounting: Calculating the expected return and standard deviation of a portfolio.

  140819 Calculating expected return & standard deviation of a portfolio Suppose the expected returns and standard deviations of stocks A and B are E(Ra) =0.15, E(Rb) = 0.25, Stdev A = 0.1, and Stdev B = 0.2, respectively.

• Calculating the Return, Variance and Standard Deviation

  570146 Calculating the Return, Variance and Standard Deviation Given the large-cap stock index and the government bond index data in the following table, calculate the expected mean return and standard deviation of return for a portfolio 75 percent invested

• Calculating measures of central tendency and dispersion

  Find the mean, median, variance and standard deviation.

• Sample Mean, Variance, Standard Deviation and Quartiles

  508524 Sample Mean, Variance, Standard Deviation and Quartiles Problem 1: Calculating sample mean, sample variance and sample standard deviation 7 8 7 8 8 11 7 9 10 12 9 10 12 10 10 9 8 11 11 11 9 9 12 10 11 10 The table above gives the shoes

• Expected return and standard deviation

  29541 Roe Distributions - Calculating Expected Value and Standard Deviation ROE Distributions (i.e. Calculating Expected Value and Standard Deviation) Here are the estimated ROE distributions for firms A, B, and C (see attachment) a.

• Average returns, the variances and the standard deviations

  105520 Average returns, the variances and the standard deviations Calculating returns and Variability: Using the following returns, calculate the average returns, the variances and the standard deviations for X and Y.