Shown below is a portion of a computer output for a regression analysis relating y (dependent variable) and x (independent variable).
a.Perform a t test and determine whether or not y and x are related. Use 0.05.
b.Compute the coefficient of determination and fully interpret the meaning. Be very specific.
Definitions:
Normal Distribution
A type of continuous probability distribution for a real-valued random variable that is symmetrically bell-shaped, centered around its mean.
Sampling Error
The discrepancy between the statistical characteristics of a population and those of a sample from that population.
Sample Mean
The average value of a sample set, calculated by summing the sample points and dividing by the number of samples.
Standard Error
The standard deviation of the sampling distribution of a statistic, often used in the estimation of the mean.
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