Confidence levels allow the researcher to have some idea of how closely their samples reflect the parameter. Which statement about confidence levels is true?
a. If a simple random sample is used, probability theory suggests that researchers can be 95 percent sure the estimates of that sample fall within one standard error of the parameter.
b. If a simple random sample is used, probability theory suggests that researchers can be 68 percent sure that estimates of that sample fall within two standard errors of the parameter.
c. If a simple random sample is used, probability theory suggests that researchers can almost be positive (99+ percent) that estimates of that sample fall within three standard errors of the true value.
d. If a simple random sample is used, probability theory suggests that researchers can be positive that sample mean is equivalent to population mean.
C
You might also like to view...
A courtroom work group helps to streamline the process of justice through the extensive use of deal making and plea bargaining.
Answer the following statement true (T) or false (F)
Which federal agency began to give more attention to narco-terrorism since terrorist organizations are extensively involved in drug trafficking to raise money?
A. FBI B. DEA C. DOD D. Customs
A monitor is a device that takes signals from a computer and creates a ________ display of data or information
A) Audio B) Static C) Visual D) Printed
Answer the following statement(s) true (T) or false (F)
1. According to the text, crimes are organized into six categories: violent offenses, property offenses, status offenses, victimless crimes, white-collar offenses, and crimes against the government. 2. When people tend to talk about crime, it is violent offenses that are typically the first that come to mind. 3. While the laws vary from state to state, murder can generally be classified into three subcategories. 4. Not all sexually based offenses are considered violent crimes. 5. Statutory rape is considered a strict liability crime.