A radio advertiser wishes to choose a sample of size 100 from a population of 5000 listeners. He divides the population into five separate groups and then selects a simple random sample from each group. This method of sampling is called

Q: Describe the procedures for obtaining a random sample. step by step

A:

Q: A psychologist is studying the sleep patterns of the 3960 students at her university. She decides to…

A: A. The psychologist assigns each student a number from 1 to 3960. She selects the sample by randomly…

Q: numbers through MS Excel. a. Simple Random Sampling b. Systematic Sampling c. Stratified Sampling…

A:

Q: Given a population of 5 and a sample size of 3, what is the total possible random samples that can…

A: We have to find the number of possible sample from a given population .

Q: The population of scores from which you drew the samples for a sampling distribution is called the

A: Solution The population of scores from which you drew the samples for a sampling distribution is…

Q: Next A company splits its employees up by department. Each department is approximately the same…

A: Homogeneous data set: same type of data set containing in a group is known as homogeneous data.

Q: A grocery store manager wants to know if displaying cranberries near the entrance to the store…

A: P1 : Proportion of shoppers who buy Cranberries when they are near the store entrance. P2 :…

Q: A coach is interested in how many cartwheels the average college freshmen at his university can do.…

A: The coach is interested in how many cartwheels the average college freshman can do at his…

Q: Given a binomial random variable x and p = 0.2, find the mean for a sample size of 15.

A: Given data, p=0.2 n=15 What is the mean?

Q: In a large school district, all teachers from two buildings are interviewed to determine whether…

A:

Q: What sampling technique was used?

A: here use definition of sampling method

Q: Match the name of the sampling method with the description of corresponding situation. Situations…

A:

Q: The Commissioner of Jurors obtains a list of all drivers’ license ID numbers in Oneida County, about…

A: Given that, The Commissioner of Jurors obtains a list of all drivers’ license ID numbers in Oneida…

Q: Would the following method produce a random sample? Surveying every female driver coming through a…

A: In simple random sampling procedure, each of the population unit has same chance of being included…

Q: Identify the type of sampling technique in the situations described below: The name of each…

A: 1. Simple Random Sampling Technique: This is a simple random sampling technique as each contestant…

Q: In a simple random sample of size 76, there were 34 individuals in the category of interest. Compute…

A: Given: Sample size (n) = 76 Let x be the number of individuals in the category of interest

Q: If a researcher were to increase a sample size from n = 30 participants to n = 80 participants, what…

A: Increase power

Q: A teacher at a school obtains a sample of students by selecting a random sample of 20 students from…

A:

Q: What is the selection of a simple random sample from each of a given number of subpopulation, or…

A: Stratified random sampling: In stratified random sampling the entire population is divided into…

Q: At a large university, 80% of all students live on campus. Suppose a random selected from this…

A: At a large university 80% of all students live on campus; p=0.80 A random sample of 218 students is…

Q: A pollster uses a computer to generate 500 random numbers and then interviews the voters…

A: The correct option is  simple random sampling

Q: is a sampling technique where the entire population is divided into groups and a random sample of…

A: Sampling: Sampling is a procedure to take the samples from the population. There are four types of…

Q: In a study, the sample is chosen by grouping the class by gender, then selecting 10 males and 10…

A: Given that  In a study the sample is chosen by grouping the class by gender for selecting 10 males…

Q: Extra small    390 small    470 medium 520 large    68 extra large  440 Using the stratified…

A: In stratified random sampling, the samples are selected from each of the stratum in the proportion…

Q: A market researcher obtains a sample of 50 people by standing outside a store and asking every 20th…

A: Here the sample size n = 50 A researcher obtains data from every 20th customer.

Q: A horticulturist claims a new fertilizer produces plants that are significantly taller than those…

A:

Q: Harry has 4 coins. If Harry flips all the coins at once, how large is the sample space?

A: A coin has two sides, head, and tail.  So for each coin, there are 2 possible outcomes.  There are 4…

Q: The newspaper in the previous problem decides to increase the size of its random sample of citizens…

A: Given Data: Previous sample size=250 New sample size=500

Q: How many simple random samples of size 3 can be selected from a population of size 7? а. 35 b. 210…

A: Answer - How many simple random sample of size 3 can  be selected from a population of size 7 ?

Q: A teacher divides his class into groups, randomly selects 3, and asks all students from the chosen…

A: Given that, a teacher divides his class into groups, randomly selects 3, and asks all students from…

Q: What is the selection of a subset of a population where each element has an equal chance of being…

A: here use basic of sampling method

Q: The population of 1000 clients consist of 800 Ilocanos, 150 Ibanags, 50 Ivatans. What sampling…

A: Here, we know that the population has been divided into finite number of clusters or groups and then…

Q: From a group of 496 students, every 49th student starting with the 3rd student is selected. Identify…

A:

Q: In a simple random sample size of 89, there were 40 individuals in the category of interest. It is…

A: Solution

Q: A senior high school teacher is interested in knowing the average number of hours a teacher works in…

A: A senior high school teacher is interested in knowing the average number of hours a teacher works in…

Q: Identify the type of sampling method used by the researcher in each situation: simple random…

A: Sample means some amount of population. To selecting some amount there are different methods. Some…

Q: In a large school district, all teachers from two buildings are interviewed to determine whether…

A: We know that, in cluster sampling method, we divide all population into clusters such that, within…

Q: asked to guess the average weight of the six watermelons by taking a random sample without…

A: Here use sampling distribution without replacement

Q: An electronics store receives a shipment of eight boxes of calculators. Each box contains ten…

A: A technique used to select a subset of the population for statistical analysis is known as sampling.…

Q: Identify the sampling technique used. At a local community college, five statistics classes are…

A: At a local community college, five statistics classes are randomly selected out of 20 and all of the…

Q: A small shop owner wants to see how much people are spending at her store, so she numbers all the…

A: Sampling methods: In simple random sampling, all the units in the population have equal chance of…

Q: A surveyor wants to sample a city for the local Public Health Office in order to assess asthma rates…

A: A) Two stage cluster sampling. Here, surveyor first take random sample of 2 tract and then take…

Q: List the 10 possible samples​ (without replacement) of size 2 that can be obtained from the…

A: a. The population of five officials is L, S, A, R, P. The 10 random samples of size 2 without…

Q: A worker wants to determine the average weight of fish fillets in his freezer. There are hundreds of…

A: In cluster sampling, clusters are chosen as samples and are completely enumerated.

Q: In a simple random sample of size 100, there were 25 individuals in the category of interest.…

A: Denote p as the true proportion of individuals in the category of interest.

Q: In a population divided into 4 strata, the sampling carried out in each of these strata is: Select…

A: Stratified sampling:If the population is very heterogeneous and considerations of cost limit the…

Q: In random sampling, the sample should be_ the population A. as large as C. not taken from D.…

A: In random sampling, the sample should be representative of the population. i.e. The correct option…

Q: For a population, N = 12,000 and p = 0.77.A random sample of 903 elements selected from this…

A: Solution: Given information: N= 12000  Population size p = 0.77 Population proportion  n= 903 Sample…

Q: You are asked to guess the average weight of the six watermelons by taking a random sample without…

A: Here drawing 2 sample without replacement  So Total possible sample 6C2 = 15

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.