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  1. What does variance measure? + Example - Socratic

    As the name of the topic indicates variance is a "Measure of Variability" The variance is a measure of variability. It means that for a set of data you can say: "The higher variance, the …

  2. Measures of Variability Questions and Videos - Socratic

    Questions How are the measures of central tendency and measures of dispersion complementary? Can the standard deviation be greater than the mean? Can the standard …

  3. What is the variance of {-5, 19, -20, 5, 16, -7, 1}? - Socratic

    Explanation: Variance is calculated based on the sum of XXX the squares of XXXXXX the deviations between each data value and the mean of the data values. If the data values …

  4. Answers created by Ramchandran A. - Socratic

    What are the mean and standard deviation of a binomial probability distribution with #n=130 # and #p=3/4 #? What does the confidence interval of a sample tell you? Why can't variance be …

  5. Question #c4443 - Socratic

    Explanation: We can approach this problem in two ways, I will do so using MLE We know the following #E (epsilon) = 0# thus we can remove it becuase we expect this to be 0 regardless of …

  6. Question #509f4 - Socratic

    The volume of the 40 molar solution required is "0.005 mL" or "5 mL". Refer to the explanation for the process. The symbol "M" represents molarity, which is "moles of solute"/"liters of solution". …

  7. Question #c1f4d - Socratic

    (8.8)"."10^-6 "Coulombs" color (blue)"Electric charge density" q = n e Where, q: is the symbol used to represent charge, (C) n: is a positive or negative integer, " (electrons)" e: is the …

  8. Question #e44d3 - Socratic

    Sep 19, 2018 · No, the graph would be modelled by y=-1/4 (x+1)^2 + 2 Whenever you multiply a number by -1, the numbers stay the same, but the symbol in front changes. For instance, …

  9. Question #49f28 - Socratic

    Explanation: Theta is not something that has a definite value. It is described as a variable in mathematics which is a angle (any angle).

  10. What is the answer to w divided bye negative 3 + 7 - Socratic

    w< -27 >w/ (-3)+7>16 "subtract 7 from both sides" w/ (-3)cancel (+7)cancel (-7)>16-7 rArrw/ (-3)>9 "to eliminate the fraction multiply both sides by "-3 color (blue ...