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# Significance Tests and Confidence Intervals

Using the data on the table below, are there any correlations between population changes for the areas listed.

The following is a list of acceptable tests:

regression line and equation; correlation
one-sample t-test
one-sample t confidence interval
matched-pairs t-test
two-sample t-test
two-sample t confidence interval
F-test for variances
ANOVA
one-sample z test for proportions
one-sample z confidence interval for proportions
two-sample z test for proportions
two-sample z confidence interval for proportions
chi-square
Please complete at least three significance tests and a confidence interval.

Decide which of the tests would best analyze your data. List those tests, state Ho and Ha,
and describe exactly what you expect to learn from each test.

#### Solution Summary

The following solution selects a test to conduct a statistical analysis on the data. It supplies the null and alternative hypothesis and describes the function of each test on the data.

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