For Sample Sizes Greater Than 30,the Sampling Distribution of the Mean

question 73

Multiple Choice

For sample sizes greater than 30,the sampling distribution of the mean is approximately normally distributed:

• A)regardless of the shape of the population.
• B)only if the shape of the population is symmetric.
• C)only if the population is normally distributed.
• D)None of these choices.

Understand the concept of "direction" in scatterplots as it relates to positive and negative associations.

Identify outliers within data and understand their impact on scatterplots and data analysis.

Describe the characteristics of a positive association between variables.

Understand how to summarize the overall pattern of a scatterplot.

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Definitions:

Coefficient Of Determination

A metric in statistics that evaluates the percentage of variability in the outcome variable that can be explained by the predictor variable(s).

SSE

Sum of Squared Errors, a measure used in statistics to quantify the discrepancy between data points and a model's predictions.

SSR

Sum of Squares due to Regression, a measure indicating how well a regression model fits the data.

SSE

The Sum of Squared Errors represents the difference between observed data points and the values predicted by a model.