Exam 17: Determination of Sample Size: A Review of Statistical Theory

If 35 percent of TV viewers recalled seeing an ad for a Ford Explorer on a particular television program based on a sample of 800 viewers,the 95 percent confidence interval for this study would be between approximately:

Discuss the three factors required to specify sample size.

The arithmetic average of a set of numbers is referred to as the _____.

The formula below is used to calculate the ____. (ZS/E)²

A top box score generally refers to the portion of respondents who choose the most favorable response toward a company.

The idea that as sample size increases,the distribution of sample means of samples of size n,when randomly selected,approaches a normal distribution is known as the ____________________.

The ____________________ distribution is bell shaped.

In statistical terms,____ the sample size ____ the width of the confidence interval about the mean at a given confidence level.

The following formula is the formula for calculating the ____.

Which of the following is a step in determining sample size?

Describe the measures of dispersion and explain why standard deviation is used most often.

The primary purpose of inferential statistics is to make a judgment about a population.

A common practice in marketing research is to use the 75 percent confidence interval about the mean in research studies.

Name and describe the measures of central tendency.

The middle score in the rank order of scores is called the ____________________ score.

Measures computed from sample data are called:

Which of the following is the symbol for the sample standard deviation?

The standardized normal distribution has a mean of 1.0 and a standard deviation of zero.

A frequency distribution of a sample is called a sample distribution.

A cross reference is an estimate of the population mean in the form of a single value.