Caitlyn has to determine how many of the 120 employees in her work place has comprehensive car insurance. She wants to obtain a sample of 40 employees. She selections employees from each department in proportion to the number of individuals the departments I. Define the term population with relation to the question above. ii. What type of sampling method did Caitlyn use? List two advantages of the sampling method used

Q: You are the operations manager for an airline and you are considering a higher fare level for…

A: It is given that margin of error (E) is 0.045 and the confidence level is 0.99.

Q: Felicia is conducting a survey to determine the determine the favorite TV show among her community.…

A: Stratified sampling: In stratified sampling the whole population is divided into two or more…

Q: Mrs. Trahan samples H assigned to a student. Select one: O a. simple O b. cluster O C. systematic n…

A: simple random sampling occurs when every sample in the population has equal chances of being…

Q: An accounting firm consists of 200 accountants, 150 bookkeepers and 30 assistants. They want to know…

A: Given Information: Name of the groups=1. Accountant2. Bookkeepers3. AssistantsNo. of…

Q: Find the population mean or sample mean as indicated.   ​Sample: 15​, 10​, 9​, 13​, 13

A:

Q: Decide whether the sampling method is biased or unbiased. Explain your results: 12. The school's…

A: Given that for the allocation of school funds for the media center, a sampling method is used. The…

Q: what is sampling methods?   A large social media company wants to survey its users about their…

A: Sample is a small part (or) portion of the population. For example, to check the weights of male in…

Q: Find the population mean or sample mean as indicated.   ​Sample: 25​, 10​, 3​, 6​, 11

A: Given: Sample data: 25, 10, 3, 6, 11 Required: To find the population mean or sample mean as…

Q: You are the operations manager for an airline and you are considering a higher fare level for…

A: Given,Confidence level, C = 99% = 0.99Margin of error, E = 4.5% = 0.045

Q: Mrs. Feleo samples her class by selecting every ninth person on her class list. Which type of…

A: Mrs. Feleo samples her class by selecting every ninth person on her class list

Q: Horace Horsecollar is interested in the opinion of vacationers at Disney World.  He creates a short…

A: We know that in Systematic sampling method, we choose the first unit randomly and all the other…

Q: You are the operations manager for an airline and you are considering a higher fare level for…

A: Given Information:Margin of error, E=1.5%=0.015Confidence level, c=95%=0.95

Q: For the end of the semester, student evaluations. 6 out of the 39 students in a class completed the…

A:

Q: A researcher divided subjects into two groups according to gender and then selected 200 members from…

A: Since we know that In stratified sampling we divided homogeneous groups from the heterogeneous…

Q: Given 1,400 freshmen students with 600 male students and 800 female students, describe the way you…

A: The population is of freshmen students =1400The number of male students in  Strata-1 =600The…

Q: You are the operations manager for an airline and you are considering a higher fare level for…

A:

Q: find the sample proportion with n=1,120 and x=616

A: The random variable X is normally distributed. X ~ B (n, p) The sample size is 1120. The number of…

Q: Identify the sampling technique used. A community college student interviews everyone in a…

A: According to the given information, we have Given that a community college student interviews…

Q: Homer Simpson is interested in studying the ratio of the various colors of sprinkles on Lard Lad…

A: Introduction: Here, it is not mentioned whether the three donuts of each variety are chosen randomly…

Q: class contains 8 students. Find the number of ordered sample of size 3 with replacemen

A: Since , the class contains 8 students. Our aim is to find the number of ordered sample of size 3…

Q: The school librarian wants to determine how many students use the library on a regular basis.  What…

A: Here we want to know sampling type.

Q: We asked students in our class about the reading time per day. We got 57 responses (the sample size…

A: given data n = 57x = 4390% ci for p

Q: You are the operations manager for an airine and you are considering a higher fare level for…

A: It is given that margin of error (E) is 0.015 and the confidence level is 0.90.

Q: A programmer plans to develop a new software system. In planning for the operating system that he…

A:

Q: The property manager for an apartment building wants to see which pizza delivery company delivers to…

A: Sampling is a technique which is used to take the sample from the population. Sampling has broadly…

Q: You are the operations manager for an airline and you are considering a higher fare level for…

A:

Q: Use the results from a survey of a simple random sample of 1155 adults. Among the 1155 respondents,…

A: Solution

Q: company wanted to estimate the proportion of employees who use mass transit to get to work. The…

A:

Q: Decide whether the sampling method is biased or unbiased. Explain your results:

A: We have given that the statement related to sampling method is biased or unbiased.

Types of Bias

Statistics is the study of data collection, organization, analysis, interpretation, and presentation. Statistical bias is a characteristic of a statistical technique or its findings in which the expected value deviates from the actual root quantitative parameter being estimated. According to the actual definition of bias, it refers to the tendency of a statistic to overestimate or underestimate a parameter.