Reference no: EM13975320
1. Differentiate between a judgment sample and a convenience sample.
2. In what way are the quota sample and the stratified sample similar? In what way are they different? What effect does this difference have on the applications for which such samples might be appropriate?
3. What is the difference between a probability sample and a nonprobability sample? Which type is necessary if we wish to statistically generalize from the sample to the population?
4. For each of the following situations, would you rec- ommend a sample or a census? Explain your reasoning in each case.
a. A purchasing agent has just received a shipment of shock-resistant watches and wants to find out approximately how far they can be dropped onto a concrete surface without breaking the crystal.
b. General Mills wants to learn the age, gender, and income characteristics of persons who consume Cheerios breakfast cereal.
c. The producers of NBC's Tonight Show want to find out what percentage of TV viewers recognize a photo of host Jay Leno.
d. A small company wants to determine whether U.S. companies that manufacture nuclear submarines might be interested in a new technique for purifying air when such craft are submerged.
|
Compare and contrast traditional project management
: Throughout the last 8 weeks many ideas and thoughts have been shared through formal and informal channels. Please take this opportunity to share what you liked best and what your takeaways from the class are. Please keep the posts constructive
|
|
Write a paper about organ donation
: Write a paper about organ donation. Building on Sequence One, which asked you to develop and reflect on your relationship to language, and Sequence Two-which asked you to develop and reflect on your relationship to language through another's persp..
|
|
How does this model explain price rigidity in oligopoly
: What is the basis of the kinked-demand model? Explain the reason for the gap in the oligopolists marginal-revenue curve. How does this model explain price rigidity in oligopoly?
|
|
What makes your selected hotel chain a leader in industry
: Research a top hotel chain on the Internet that is renowned for superior luxury service. Understanding how the superior service hotel chain is able to maintain its stature as a leading service organization is important to your study of hospitality..
|
|
Income characteristics of persons
: a. A purchasing agent has just received a shipment of shock-resistant watches and wants to find out approximately how far they can be dropped onto a concrete surface without breaking the crystal. b. General Mills wants to learn the age, gender, a..
|
|
How much energy, in joules, is stored in this configuration
: Assume that each of these individual charges has a mass of 5*10^-18kg. If one charge is released and allowed to be pushed away by the other charges (which are held in place), what will be the final velocity of the free charge? (Assume the potentia..
|
|
What is its speed at any time after it is released
: If a charge of equal mass but opposite charge is placed at the midpoint of one of the side of the square, what is its its potential energy at that point? Express your result with at least 4 significant figures.
|
|
Why cooperation can be mutually beneficia
: Explain, using the prisoners dilemma analysis, why cooperation can be mutually beneficial, but if conditions prevent cooperation or collusion from happening, the outcome is worse for both parties.
|
|
Specific type of probability
: Considering the 30 winners as a sample from all of the persons filling out such cards, is this a probability sample or a nonprobability sample? What specific type of probability or nonprobability sample does this procedure represent?
|