A Study Was Conducted to Compare the Average Time Spent

question 26

Multiple Choice

A study was conducted to compare the average time spent in the lab each week versus course grade for computer students.The results are recorded in the table below.
Compute Spearman's rank correlation.Assume that rank ties will have little influence on your result.

• A)0.017
• B)-0.284
• C)0.371
• D)0.462
• E)-0.381

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Definitions:

Similar

Having a resemblance in appearance, character, or quantity, without being identical.

Confidence Interval

A band of values, extrapolated from sample statistics, presumed to surround the value of an unknown parameter within the population.

Independent Samples

Samples that are collected from distinct, non-overlapping populations, ensuring that measurements from one sample do not influence the measurements from the other.

Degrees Of Freedom

The number of independent pieces of information on which a statistical estimate is based, minus the number of parameters estimated.