# Question: For each of the following research projects list three variables

For each of the following research projects, list three variables for stratification of the sample.

a. A nationwide study of motels and hotels is being conducted. An attempt will be made to determine the extent of the availability of online links for customers. A sample of motels and hotels will be taken.

b. A consumer panel is to be formed by sampling people in Michigan. Members of the panel will be interviewed periodically in an effort to understand current consumer attitudes and behaviors.

c. A large soft drink company wants to study the characteristics of its U.S. bottlers, but the company does not want to conduct a census.

d. The business research bureau of a large university is conducting a project in which the bureau will sample paper-manufacturing companies.

a. A nationwide study of motels and hotels is being conducted. An attempt will be made to determine the extent of the availability of online links for customers. A sample of motels and hotels will be taken.

b. A consumer panel is to be formed by sampling people in Michigan. Members of the panel will be interviewed periodically in an effort to understand current consumer attitudes and behaviors.

c. A large soft drink company wants to study the characteristics of its U.S. bottlers, but the company does not want to conduct a census.

d. The business research bureau of a large university is conducting a project in which the bureau will sample paper-manufacturing companies.

**View Solution:**## Answer to relevant Questions

In each of the following cases, the variable represents one way that a sample can be stratified in a study. For each variable, list some strata into which the variable can be divided.a. Age of respondent (person)b. Size of ...Suppose a random sample of size 36 is drawn from a population with a mean of 278. If 86% of the time the sample mean is less than 280, what is the population standard deviation?A given population proportion is .25. For the given value of n, what is the probability of getting each of the following sample proportions? a. n = 110 and p̂ ≤ .21b. n = 33 and p̂ > .24c. n = 59 and .24 ≤ p̂ < .27d. ...Forty-six percent of a population possesses a particular characteristic. Random samples are taken from this population. Determine the probability of each of the following occurrences.a. The sample size is 60 and the sample ...The Aluminum Association reports that the average American uses 56.8 pounds of aluminum in a year. A random sample of 51 households is monitored for one year to determine aluminum usage. If the population standard deviation ...Post your question