Which of the Following Statements Is True Regarding a 95

question 1

Multiple Choice

Which of the following statements is true regarding a 95% confidence interval? Assume numerous large samples are taken from the population.

• A)In 95% of all samples, the sample proportion will fall within 2 standard deviations of the mean, which is the true proportion for the population.
• B)In 95% of all samples, the true proportion will fall within 2 standard deviations of the sample proportion.
• C)If we add and subtract 2 standard deviations to/from the sample proportion, in 95% of all cases we will have captured the true population proportion.
• D)All of the above.

---

Definitions:

Totals Row

A row at the end of a table or spreadsheet that provides summation, average, count, or other aggregate functions of the data in each column.

Calculated Field

A field in databases or spreadsheets that performs a calculation using values from other fields.

Make-Table Query

A type of query in database applications used to create a new table from the results of a select query.

Parameter Query

A type of database query that requires the user to provide one or more criteria values upon which the search is based, making the query flexible and interactive.