Primary Keys Are

question 59

Multiple Choice

Primary keys are:

• A)The same as default keys (or default values)
• B)Unique values for each record in a file or table
• C)Elementary values (like 'primary' school)
• D)Prime numbers in a Fibonacci sequence
• E)The same as foreign keys

Recognize the importance of sample size and design in assessing statistical tests.

Understand the principles and application of chi-square tests of independence and goodness-of-fit tests.

Understand the use of statistical tests to compare observed frequencies with expected frequencies or proportions.

Understand and apply hypothesis testing for proportions.