Ch 8 In-Class Questions

1 A sampling procedure which does not afford any basis for estimating the probability that each item in the population has of being included in the sample is called ______________ a. Nonprobability Sampling b. In depth Sampling c. Out of context Sampling d. Probability Sampling

Arbitrarily, NY Times selecting a location on Brooklyn Bridge to interview passerbys as being NYC residents about their opinion regarding CUNY funding is an example of   a. media sampling   b. cluster sampling     c. non probability sample   d. random sample

4 The selected respondents from the target population constitute what is technically called a ‘sample’ and the selection process is called sampling technique a. False b. True

Potential sample members, called sampling units, may be   a. people.     b. companies.     c. households.     d. All of these choices are correct.

1.The most critical criterion in selecting a sampling technique is    A.how well the sample represents the population being studied  B.the size of the sample  C.the sampling methodology used to select the sample  D.the sampling unit      2.When examining a research problem, prior research a company has conducted on a previous research question would be classified as    A.internal secondary data  B.internal primary data  C.external secondary data  D.external primary data    3. The first step in the marketing research process is to define the issue or problem. The second step is to    A.examine secondary data for relevant information  B.conduct a primary research study  C.decide if an outside research firm will be used or if the research will be conducted internally  D.analyze and interpret the data

Which of the following is a basic step in selecting a sample from a population regardless of the specific technique being used? Select one: a. Identify the population b. All of these option c. Define the sample size d. Select a sample

estion 9: Which of the following will give a more "accurate" representation of the population from wh ple has been taken? A) A large sample based on the convenience sampling technique 3) A small sample based on simple random sampling C) A small cluster sample D) A large sample based on simple random sampling tion 10: Researchers claim that the taxes paid are not perceived as same according to the "Region of the d States" people live? Help the researcher. Which statistical test can we use to help the researcher? i-squared test of independence rtial correlation B) Pearson Correlation D) Discriminant Analysis ion 11: You are interested in finding whether people who lost a close friend tend to help others more often. ill perform a(n): -squared test of independence ependent sample t-test B) Multiple regressions D) One-way ANOVA on 12: Which of the following sampling methods is the best way to select a group of people for a study re interested in making statements about the larger…

-Explain Non Probability Sampling - Examples of Non probability sampling

11. Matching the sampling method with the most appropriate description One potential participant is identified, then asked for recommendations for other people to contact for the study. Researchers minimize costs to participants by recruit people living within a particular residential area that offers an easy commute to the study location. Recruitment materials are sent to a random selection of people within 15 Connecticut towns selected at random from state demographic records. The political party affiliation of every registered voter in Connecticut is tallied to determine proportional representation. The Office of Student Life sends survey invitations to random members of each graduating class until they receive a number of responses proportional to the relative size of each class. The Trinity Athletics department asks coaches to help recruit their athletes for participation in a survey of satisfaction with care from the trainer's office. A high school sends a survey to a random…

5. This method is used when the population of interest is large and widely geographically dispersed. Sampling Techniques: A. Simple Random Sampling B. Systematic Random Sampling C. Stratified Sampling D. Cluster Sampling

If the result from a sample survey do not represent the results obtained from Census survey, it is known as: a. Human judgement error b. Standard error c. Omission error d. Sampling error   fast plz

A company that sells and services car music systems has surveyed residents of the local area surrounding the store as a way to expand their business. They handed out cards at a busy intersection near the store over a two-weekend time period. After a month, they have received 200 responses out of 950 they distributed. The results of this survey will likely be ineffective because a handing out postcards is not a legitimate survey method handing out postcards is not a legitimate survey method b the sample of people may not be the store’s appropriate target the sample of people may not be the store’s appropriate target c not enough people responded not enough people responded D participants did not get a reward for responding

10 Snow ball sampling are a. non- probability sampling b. essentially judgmental sampling c. Same as cluster sampling d. Probability sampling

In each of the following situations, a random sample must be obtained. Determine whether a cluster, stratified, or systematic random sampling would be appropriate.Explain in brief detail how the sampling is to be conducted. Do not discuss expected results or conclusions. a. A large convenience store chain wishes to determine its customers’ level of satisfaction with regard to their service. b. A nationwide survey on charter change is to be conducted. (Note: there are seventeen regions in the Philippines.) c. An educational researcher wants to compare the difference in career goals between male and female students of Maryheights College having 10,000 students.

In your initial post, identify your own example of improper sampling from your day-to-day life. Be sure to provide the sampling method used, why the sampling method is improper, what type of sampling should have been used and why?

Side-by-side box plots are typically a good way to begin the analysis when comparing two populations. a. True   b. False

As a researcher, you want to determine the courses that the grade 12 students would like to take in college. Using systematic sampling technique, what steps you must consider? I. Ask every 7th student on the list II. Randomly select the students III. Compute the kth interval IV. Divide the population size by the sample size V. Select based on the kth consistent interval

The characteristics of good sample are all, except: Select one: a. Have less of biasness. b. True representation of target population c. systematic bias cannot be controlled in a better d. Have small sampling error.

You want to provide an overview of the characteristics of the respondents in your sample. Which of the following would you use to provide insight in the age of your respondents? a. A frequency table and a bar chart b. The mode, median and the standard deviation c. The mean and the variance. d. The mean, the median, and the mode

If every 13th item is systematically sampled to produce a sample size of 72 items, approximately how large is the population?

Based on the suggested. approach, describe, in detail, two (2) sampling methods you think will be appropriate for data collection.

21. Stratified random sampling is a method of sampling that involves the division of a population into smaller groups known as strataSelect one:TrueFalse

The major objective of sampling theory is to: Select one: A. define the population. B.  choose the largest sample within imposed economic limitations.  C. provide accurate estimates of unknown parameters from sample statistics that can be calculated easily.  D. locate cluster samples.

please explain the following random sampling methods along with giving examples for each in a business context situation. a) Systematic random sample b) Stratified Sample c) Cluster Sample

Which of the following would be an advantage of using variables sampling ratherthan probability-proportional-to-size (PPS) sampling?(1) An estimate of the standard deviation of the population’s recorded amount isnot required.(2) The auditor rarely needs the assistance of a computer program to design anefficient sample.(3) The inclusion of zero and negative balances usually does not require specialdesign considerations.(4) Any amount that is individually significant is automatically identified andselected.

10-Which one of the following is not an example of non-probability sampling technique? a. Convenience sampling b. Quota sampling c. Judgement sampling d. Cluster sampling

As you know from the classes after you are done with the questionnaire, you have to sample the respondents before going for the fieldwork for data collection. Sampling can be done using nonprobability sampling or probability sampling. Which one in your opinion for pantene brand is deteriorating. Among these techniques, which one do you feel is the best sampling technique for your problem? Discuss with examples and justifications.