Approximately How Many Million Americans Lack Health Insurance Coverage

question 17

Multiple Choice

Approximately how many million Americans lack health insurance coverage?

• A)60
• B)13
• C)22
• D)33

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Definitions:

Chi-square Goodness-of-fit

A statistical test that measures how well observed sample data fit the expected distribution from a given hypothesis.

Contingency Table

A type of table in a matrix format that displays the frequency distribution of the variables. It helps in analyzing the relationship between two categorical variables.

Qualitative Variables

Variables that express categorical data, representing types or qualities rather than numbers.

Chi-square Tests

Statistical tests that use the chi-square statistic to test hypotheses about the distribution of categorical variables.