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The following table displays the marks obtained by three students on an economics test.StudentMark ...

prpnum1

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The following table displays the marks obtained by three students on an economics test.StudentMark ...

The following table displays the marks obtained by three students on an economics test.

Student	Mark Obtained (out of 100)
Mary	78
Charles	83
Tony	65

a) Calculate the mean marks obtained by the three students.
b) Suppose one of the scores was reported incorrectly. Charles scored 38 instead of 83. How will the mean change if the correction is incorporated?
c) How does the amount of data used affect the accuracy of a model?

Textbook

Macroeconomics

Edition: 3^rd

Authors: Acemoglu, Laibson, List

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dangoon

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More solutions for this book are available here

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prpnum1 Author

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A year ago

Thanks for your help!!

Ifekwunigwe

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This helped my grade so much Perfect

paulinaibarra98

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2 hours ago

Good timing, thanks!

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