Math Problem Statement
The bar graphs below show the percentage of students who received each score on their last English paper and Math test. Determine whether each graph has a larger or smaller standard deviation.
10 20 30 40 50 English Score 60 70 80 90 [Graphs generated by this script: setBorder(28,45,0,10); initPicture(0,10,0,56);axes(1000,10,1,1000,10); fill="blue"; stroke="black";textabs([165,0],"English Score","above");rect([1,0],[3,8]);text([2,0],"60","below");rect([3,0],[5,56]);text([4,0],"70","below");rect([5,0],[7,30]);text([6,0],"80","below");rect([7,0],[9,6]);text([8,0],"90","below");]
5 10 15 20 25 30 35 40 Math Score 60 70 80 90
Solution
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Math Problem Analysis
Mathematical Concepts
Statistics
Standard Deviation
Formulas
Standard Deviation formula: sqrt(Σ((x - μ)^2) / N)
Theorems
-
Suitable Grade Level
High School
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