A survey of students living in a high-rise residence is to be conducted. The residence has 10 floors, 20 rooms per floor, and 2 people per room. Two floors are randomly selected, and then both of the residents of five randomly chosen rooms on both of the floors are surveyed. Which sampling method is being used?

Q: A Mathematics teacher has 20 movie tickets. He is planning to distribute those tickets to his class…

A: Given No. of tickets with teacher = 20 No. of students in class = 50 students

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: The city of Raleigh has 6800 registered voters. There are two candidates for city council in an…

A: Given : telephone poll of 500 randomly selected registered voters was conducted. 208 said they'd…

Q: A university is polling its students. It selects 200 students at random in the same proportions as…

A: Stratified random sampling is a process of sampling which uses different groups of the population…

Q: college faculty consists of 400 men and 250 women. The college administration wants to draw a sample…

A: Given:  Population is devided into two groups men and women  No of men N1= 400  No of women N2= 250…

Q: The city of Raleigh has 10500 registered voters. There are two candidates for city council in an…

A: Given that, x = 192, n =500 The sample statistic for the proportion of voters surveyed who said…

Q: Janette must pass through three doors as she walks from her company's foyer to her office. Each of…

A: Given that there are 3 doors. Each door has 2 possible outcomes: locked or unlocked.   Let us denote…

Q: uppose you take random samples from the following groups: freshmen, sophomores, juniors, and…

A: Stratified Random Sampling: The population is divided into subgroups then some members are chosen…

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: A sample of students is collected by randomly selecting 20 students from each of the 58 community…

A: It is specified that 20 students from each of 58 community colleges are randomly sampled.The…

Q: The city of Raleigh has 6,800 registered voters. There are two candidates for city council in an…

A: Given,Population size, N = 6800Sample size, n = 400Number of voters said they'd vote for Brown, x =…

Q: entering your work cafeteria and are approached by an individual to participate in their study by…

A: Given that  You are entering your work cafeteria and are approached by an individual to participate…

Q: The city of Raleigh has 9900 registered voters. There are two candidates for city council in an…

A: Given that 9900 registered voters  Two candidates: Brown and Feliz  Sample size (n)=450 137: said…

Q: dates for city council in an upcoming election: Brown and Feliz. The day before the election, a…

A: Given:n=sample size=350x=110 The formula and calculations for sample proportion is:p^=xn  =110350…

Q: Nationally, 83% of Americans have earned a high school diploma.  We want to see if the proportion of…

A: We have to find sample proportion.

Q: The city of Raleigh has 6900 registered voters. There are two candidates for city council in an…

A: The objective of this question is to calculate the sample statistic for the proportion of voters…

Q: You need to select a simple random sample of three from nine friends who will participate in a…

A: Random number table:Here, there are 9 friends and has been assigned a number from 1 to 9. A simple…

Q: Identify the sampling techniques used in each scenario. surveying movie-goers as they exited the…

A: Introduction: It is required to identify the sampling technique used.

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: The student council invites all students to provide ideas for activities. Which sampling method is…

A: Voluntary response sample: The voluntary response sample is the sample in which the respondents by…

Q: One of the tightest Senatorial races on Tuesday is in Maine. In a race that could prove pivotal for…

A: From the provided information, Sample size (n) = 1365 voters 696 responded that they are likely to…

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: researcher decided to study the dietary habits of community college students. She did so in a way to…

A: Solution: The sampling methods can be classified into two types 1) Probability or random sampling…

Q: Maci is a social networking maniac! Although she prefers Instagram, she also spends a lot of time…

A: Introduction A variable is a no., characteristic which can be counted or measured.

Q: Identify which type of sampling is used.  Every 5th student on the roster is selected for a sample

A:

Q: The city of Raleigh has 9100 registered voters. There are two candidates for city council in an…

A: There are 9100 registered voters. Among randomly selected 300 registered voters, 125 said they'd…

Q: A survey of students living in a high-rise residence is to be conducted. The residence has 10…

A: Systematic sampling A sampling method in which the sampling is done from a larger population and…

Q: The names of all 50 students in a class are written on identical slips of paper, and the slips are…

A: The sample can be drawn from population in different ways. Some of the basic sampling methods are…

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: The city of Raleigh has 9900 registered voters. There are two candidates for city council in an…

A: The objective of this question is to find the sample statistic for the proportion of voters surveyed…

Q: The administrator in your college wants your opinion about the parking situation at the college. In…

A: The population in given case is All students entering the Madison hall.

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

A: Given: Total population, N = 1400           Gender wise total population, for males, N1 = 600 and…

Q: Amanda is writing an article for the school newspaper about social media use among teens. She wants…

A: As per our guidelines, we are allowed to answer first three sub-parts only. Thanks   A random sample…

Q: A geography student in Parkville, Missouri is conducting a housing survey, including questions about…

A: It is given that she knows that about 38% of the people in Parkville live in apartments, and wants…

Q: Identify which sampling method is applied for each situation.

A: Given :

Q: The city of Raleigh has 7,400 registered voters. There are two candidates for city council in an…

A: The objective of this question is to find the sample statistic for the proportion of voters surveyed…

Q: Given 1400 freshmen students with 600 male students and 800 female students, describe the way you…

A: It is an important part of statistics. It is widely used.

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.