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MATH 1342 Elementary Statistical Methods Lab 3 �Ch.7 � Normal Distribution

Solved lab assignment covering normal distribution in elementary statistical methods.

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MATH 1342 Elementary Statistical Methods Lab 3 �Ch.7 � Normal Distribution - Page 1 preview image

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MATH 1342Name ___________________________Elementary Statistical MethodsLab3–Ch.7–Normal DistributionCritical Thinking; Communication Skills;Empirical/Quantitative SkillsMATH 1342 Elementary Statistical Methods Lab 3–Ch.7–Normal DistributionGradingusing“The Curve”When grading using“the curve”, the percentages are as follows:A:Top 10% of scoresB:Scores betweenP70and P90C:Middle 40% (scores betweenP30and P70)D:Scores betweenP10and P30F:Bottom 10% of scores20%40%20%10%10%P10P30P70P90CLASS #1:Suppose that the exam grades forClass #1are as follows:354446474851545555575758596060606061626468697072737575778285μ= 61.3= 11.5a)Using the mean and standard deviationaboveandthe invNorm feature of your calculator,determine“thecurve”cutoffs.Round these test grade cutoffs to one decimal.Label them underneath the curve.Bottom10%score=46.6;bottom30%score=55.3; 70%score=67.3; 90%score=76.0Test Grades46.655.367.376.0

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Document Details

University
Community College of Qatar
Course
MATH 1342
Subject
Mathematics

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