Question
Question 10 (4 points) Does eating chocolate before an exam help?In a study conducted by some researchers, 100 students were randomly assigned to two groups.The
Does eating chocolate before an exam help?In a study conducted by some researchers, 100 students were randomly assigned to two groups.The first group was given two chocolate bars to ear one hour before the exam.The second group was given a harmless placebo.These students were then given a math exam.The summary statistics for the exam scores are in the table provided.
nMeanStandard DeviationChocolate50805No Chocolate50755Based on the results of the study, and using the 95% Confidence Interval, can we say that there is a significant difference between the two groups?
Question 10 options:
Yes, because 0 is in the confidence interval.
No, because 0 is not in the confidence interval
Yes, because 0 is not in the confidence interval.
No, because 0 is in the confidence interval.
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An Introduction to the Mathematics of Financial Derivatives
Authors: Ali Hirsa, Salih N. Neftci
3rd edition
012384682X, 978-0123846822
