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Quantitative Analysis of Data Problems

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Seven students took a statistics test and a technology test with the following results:
Statistics Technology
Student Raw Score (X) Standard Score (Z) Raw Score (X) Standard Score (Z)
Jennifer 50 +1.50 50 +1.0
Brian 49 +1.00 48 +0.50
Jay 47 0.0 52 +1.50
Ross 48 +0.50 40 -1.50
Marie 44 -1.50 44 -0.50
Charles 45 -1.00 42 -1.00
Christine 46 -0.50 46 0.00

a. Calculate the mean, median, and mode for each test.
b. Calculate the standard deviation.
c. Create a scatterplot diagram and estimate the correlation coefficient.
d. Briefly describe the relationship.

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Solution Summary

This solution helps with problems involving quantitative analysis of data problems. Calculations involve mean, median, mode and standard deviation. The answer includes a scatterplot and a description of the relationships.

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1. Seven students took a statistics test and a technology test with the following results:
Statistics Technology
Student Raw Score (X) Standard Score (Z) Raw Score (X) Standard Score ...

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