If a Scatterplot Has Data Points That Are Tightly Packed

question 11

Multiple Choice

If a scatterplot has data points that are tightly packed along a diagonal that slopes from the upper left to the lower right of the graph, the correlation between variables is:

• A) Strongly positive
• B) Weakly positive
• C) Strongly negative
• D) Weakly negative

Know how to use the pooled proportion estimate in hypothesis testing.

Recognize the conditions required for using the normal approximation to the binomial in testing differences between population proportions.

Calculate and interpret the p-value in hypothesis testing.

Apply statistical methods to evaluate differences in opinions or behaviors between two groups.

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