About 944 results
Open links in new tab
  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. Question #10809 - Socratic

    Perhaps the problem is in the meaning of the symbol on 2009. viz. #|_underline (2009)# I would normally understand this to be the "floor", the largest integer less than or equal to #2009#; but …

  5. Answers created by Will - Socratic

    Is expected value affected by changes in variance? What are the mean and standard deviation of the probability density function given by #p (x)=k/x # for # x in [3,8]#, with k being a constant …

  6. Question #1f3d8 - Socratic

    The base cost is $7.05 So anytime you buy something at the store it obviously has two different charges. There is the cost of picnic cooler and the tax added to it. "Total bill"="Base cost" + …

  7. Chi-Square Distribution Questions and Videos - Socratic

    How does the chi-squared distribution relate to the Gamma distribution? What can a chi-squared distribution be used to describe? To find the 90% confidence interval for the population …

  8. Question #87a88 - Socratic

    Apr 12, 2017 · Force can also be described intuitively as a push or a pull. A force has both magnitude and direction, making it a vector quantity. It is measured in the SI unit of newtons …

  9. Question #6f2c2 + Example - Socratic

    However it is a special case where the bottom number (denominator) is fixed at 100. Often you will see the symbol % used. This is just like a unit of measurement but one that is worth …

  10. What are some examples of environmental contamination

    Love Canal is the symbol of environmental contamination by hazardous wate. Not useful as a canal, this canal was sealed off at the ends and used in the 1940s and 1950s by Hooker …