Section: MW /TR (circle onel Name: Homework 4 EGEN 350, Fall 2018 Due on Wednesd
ID: 3074153 • Letter: S
Question
Section: MW /TR (circle onel Name: Homework 4 EGEN 350, Fall 2018 Due on Wednesday, Sept 26 for Mw Section Due on Thursday, Sept 27 for TR Section True/Falise [1pt each): Cirele T for True or F for False. TIF The entire group of individuals about which information is wanted is called the population. The sample is the part that is actually examined in order to gather information. Multiple Choice (ipt each): Cirdle the single best answer. (Unless stated otherwise.) Use the following description to answer the next three (3) questions A producti manufacturing specifications. She selects a flash memory card by picking one of the first 100 at random, and then selecting every 100 flash memory card thereafter until a sample of 300 is formed. Tests reveal that 6 flash memory cards do not meet manufacturing specifications. 2. What are the individuals in the population? ion line manager is interested in whether or not the memory cards manufactured on a particular day meet A. Flash memory cards B. 6 flash memory cards C. 30 flash memory cards D. None of the above What is the sampling design usedi A. Simple Random Sampling B. Cluster Random Sampling C. Stratified Random Sampling D. Systematic Random Sampling 3. What is the sample? A 6 flash memory cards B. 100 flash memory cards C. 300 flash memory cards D. None of the above 4. Can we definitely establish causation with an observational study? A. Yes, because observational studies are a valid method of data collection 8. Yes, because a random sample allows us to establish causation. C. No, because extraneous variables could potentially affect the association. D. No, because the random sample is not guaranteed to represent the population. 5. 6. If you wanted to estimate the mean height of all the students at a university, which one of the following sampling strategies would be best? A Measure the heights of 50 university athletes B. Measure the heights of all engineering majors C. Measure the heights of every 500th student in an alphabetized list. For a cluster random sample, you select a sample of: A. 7. the clusters the individuals within every cluster 8.Explanation / Answer
1.True,
It is nothing but the definitions of sample and population.
2. The individuals are
A. Flash memory cards
3. Sampling design is
D. Systematic Random Sampling.
4. the sample is,
C. 300 flash memory cards.