A company that sells baby food is interested in the baby food preferences of all families with toddlers from a certaincity. A representative from the company sets up a booth at one grocery store in the city that will be used toinvestigate baby food preference. The representative will ask people with toddlers who walk past the booth tocomplete the survey.Which of the following best describes the sampling method the company will use?(A) Systematic random sampling(B) Simple random sampling(C) Cluster sampling(D) Stratified random sampling(E) Convenience sampling

The objective of the question is to identify the sampling method used by the company to investigate…

Answered: A company that sells baby food is…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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A company has been rating television programs for more than 60 years. It uses several sampling procedures, but its main one is to track the viewing patterns of 20,000 households. These contain more than 45,000 people and are chosen to form a cross-section of the overall population. The households represent various locations, ethnic groups, and income brackets. The data gathered from the sample of 20,000 households are used to draw inferences about the population of all households in the United States. Complete parts (a) and (b) below. What strata are used in the sample? Choose the correct answer below. A. The various locations, ethnic groups, and income brackets that are represented B. The various sampling procedures and viewing patterns C. The number of households and people that are chosen D. The television ratings Why is it important to have a stratified sample for these ratings? Choose the correct answer below. A. Stratified…
A coach is interested in how many slam dunks the average college freshman at his university can do. Ten volunteers from the senior class step forward. After observing their performance, the coach concluded that college seniors can do an average of 10 slam dunks in a row without missing. what is the sample? what is the population?
The students in an Introductory Statistics class are asked to complete a survey about study habits. (a) does the study appear to use random sampling? yes or no (b) does the study appear to use random assignment? yes or no
Suppose you recruit the next 100 people who visit the DCC cafeteria to participate in a survey. One of the questions you ask is whether the student eats on campus (i.e., in the cafeteria) regularly, and you want to use the sample proportion to estimate the value of the (population) proportion of all DCC students who eat on campus regularly. Do you think this sampling method is likely to be biased? If so, in which direction? This sampling method is not likely to be biased and will produce a representative sample of DCC students. This sampling method is biased and is likely to yield an overestimate for the population proportion. This sampling method is biased and is likely to yield an underestimate for the population proportion.
What is another kind of sampling error you might see in a poll besides random sampling error?
A worker wants to determine the average weight of fish fillets in his freezer. There are hundreds of boxes of fillets in the freezer with each box containing 15 fillets. He randomly selects 10 boxes of fish at random and pools all fillets in the 10 chosen boxes together as his sample. Is this simple random sampling, stratified sampling, or cluster sampling?
Match the sampling scheme to an example of that type of sampling. Group of answer choices Simple Random Sample (SRS), without replacement Simple Random Sample (SRS), with replacement Stratified Cluster Systematic Voluntary Response Judgment AC Randomly selecting a group or small…
The Board of Directors for a group medical practice is analysing the business. They have data on the day to day operations o the practice along with patient information. They randomly selected 10 days from each of the 6 months they have been in operation and collected information on income. What type of sampling method was used? Select one: a Mutstage Randon Sampling b. Voluntary Sampling c. Simple Random Sampling d. Stratified Random Sampling e None Cluster Sampling
Identify which of these types of sampling is used: random, stratified, systematic, cluster, convenience. Professor Cuellar uses a computer to generate 20 random student ID numbers, then interviews the students corresponding to those numbers.
An automobile club comes to the aid of stranded motorists who are members. Over the long run, about 4% of the members utilize this service in any 12-month period. A small town has 600 members of the club. Consider the 600 members to be representative of the larger club membership. Let p̂ be the proportion of them who will utilize the service in the coming 12-month period. Part (c) and (d) please

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