A pharmacist received a prescription for a patient with rheumatoid arthritis calling for eight divided powders. The contents of which were to weigh 1 gram. To check his skill, he removed the contents from each paper after filling the prescription by the block and divide method. Then each of the divided powders were weighed as: 1.05, 0.89, 0.98, 1.02, 1.01, 0.94, 1.03 and 0.99.  What is the summation of the square of the differences of the values of x?  What will be the denominator used in the formula in the computation for the standard deviation in this activity?  What is the computed standard deviation?

Elementary Algebra
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Chapter1: Foundations
Section1.10: Systems Of Measurement
Problem 1.300TI: To make one pan of baklava, Dorothea needs 400 grams of filo pastry. If Dorothea plans to make 6...
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A pharmacist received a prescription for a patient with rheumatoid arthritis calling for eight divided powders. The contents of which were to weigh 1 gram. To check his skill, he removed the contents from each paper after filling the prescription by the block and divide method. Then each of the divided powders were weighed as: 1.05, 0.89, 0.98, 1.02, 1.01, 0.94, 1.03 and 0.99. 

  • What is the summation of the square of the differences of the values of x? 
  • What will be the denominator used in the formula in the computation for the standard deviation in this activity? 
  • What is the computed standard deviation?
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