(b) A simple random sample of 40 households is to be selected without replacement from a population of 1805 households. Explain how you would use a table of random digits to select the sample.

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

A:

Q: You want to know what percentage of students own pets at your university. In asking 10 random…

A: In an observational study, researcher observes the individuals and measure the outcomes. In this…

Q: Scenario: The Department of Health is conducting random drug testing in a barangay in relation to…

A: Note:- As per the honor code, we are allowed to answer three sub-parts at a time so we are answering…

Q: When I am taking a Simple Random Sample, what do I do if say I take 23 samples from a range of 93…

A: The random number table is used to obtain the sample random sample which provides each member of the…

Q: in a simple random sample of 25 companies, 23 have both twitter and facebook accounts. can we…

A:

Q: A doctor wants to study the average time taken by the patients of a city in getting cured of common…

A: Statistical inference: If the data consists of different methods for estimating the sample and…

Q: A random sample is one in which

A:

Q: Explain the three methods of selecting a simple random sample

A: When the sample is selected randomly and every element of the population has an equal chance of…

Q: In the year 2000, the state of Indiana began a $40-million renovation of its state fairgrounds,…

A: From the provided information,

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

A:

Q: If a school has a total of 475 students. We want to extract a sample of 80. How can you explain in…

A: Note: Hey there! Thank you for the question. We have assumed “random sampling” to mean simple random…

Q: What is the formula to be used to determine the total possible random samples?

A: Let the population size be N Sample size be n

Q: illustrates the effect of sample size on the power of a two-sample t test?

A: A test of hypothesis consists of 2 hypotheses: the null, H0, and the alternative, H1.   For a sample…

Q: What do you mean by Random Sample?

A:

Q: Think of 5 situations with equally likely events and find the sample space.

A: Events are said to be equally likely if each outcome has equal chance of being occur.

Q: each score in a random sampling distribution represents what

A: We have given that  We have to define each score in a random sampling distribution :

Q: Q1. Before conducting a two-factor analysis of variance, a professor wants to know how many unique…

A: As per our guidelines, we are allowed to answer first question only. Thanks   Q 1) Two factors are…

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: In the year 2000, the state of Indiana began a $40-million renovation of its state fairgrounds,…

A: A hypothesis test can be used to compare two independent population proportions. The standard normal…

Q: From a population of 1000 items, we need to take a sample of 100 items. If we use systematic random…

A:

Q: When finding the t-value, how many degrees of freedom do we have from a sample size of n=10?

A: Degrees of freedom = n-1

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: Leonardo da Vinci is interested in studying the wing length of carrier pigeons in Milan.  To do so,…

A: The correct option is 1. Simple Random sample. Simple Random sampling: It is a type of sampling…

Q: how do you find random sample of 20 "items" from some population or process? And make the table with…

A: To find a random sample of size 20 from a population, we use simple random sampling. The simple…

Q: n a survey, students were selected at random from a certain college and were asked two questions.…

A: The survey was conducted and the  results for people who feel wrong(success) or not wrong (failure)…

Q: When does random sampling occur?

A: It is a sampling technique to choose the desired number of samples from the population. The types of…

Q: When you are using surveys in research, it is easy to ensure that the population filling out the…

A: Survey Research is defined as the method of conducting research using surveys sent to survey…

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: Explain your answer on the given problem. 1. XYZ Cable corporation employs 2,500 people. If a…

A:

Q: Alex wonders if the same proportion of people are left-handed in the United States and Canada. He…

A: Provided information, Alex wonders if the same proportion of people are left-handed in the United…

Q: The CEO of an airline estimates that 15% of all flights arrive late. How many flights must he…

A: Given Information: Proportion p=0.15 Confidence level = 96% = 0.96 Significance level α=1-0.96=0.04…

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

A: Solution

Q: A newspaper article about the results of a poll states: "In theory, the results of such a poll, in…

A: Margin of error = 0.05 Sample proportion = 0.99 z critical value at 0.05 is 1.96

Q: The Department of Health is conducting random drug testing in a barangay in relation to their age.…

A: Hi! Thank you for the question, As per the honor code, we are allowed to answer three sub-parts at a…

Q: How do I find a pooled variance of 2 sample groups?

A: There are two sample groups.

Q: P(-2.5 < t < 2.5) with a sample size of 15 ?

A: Given that  Sample size (n) = 15 Degrees of freedom (df) = (n-1) = 15-1 = 14   Here asked about…

Q: What is difference between random sampling and random assignment?

A:

Q: The reason why samples are selected at random is

A: We know that  Random sampling :  Selecting a sample randomly from the population . By selecting…

Q: True or False? In Simple random sampling, each member of the population is assigned a unique…

A: Simple random sampling:A simple random sample of size n is collected from a large population where…

Q: A normal six-sided die is thrown once. ​ ​The number of outcomes in the sample space is

A: Solution

Q: A radio advertiser wishes to choose a sample of size 100 from a population of 5000 listeners. He…

A: In stratified random sampling we divide the population into equal parts then we select proportional…

Q: Scenario The Department of Health is conducting random drug testing in a barangay in relation to…

A: Hi! Thank you for the question, As per the honor code, we are allowed to answer three sub-parts at a…

Q: A farmer sows 100 seeds of a new type of corn and wants to quickly determine the yield, or total…

A: Here the population size = 100 Digits for representing the population : 00-99 (2 digit number)

Q: A community college wants to find out how students enrolled in remote courses feel about remote…

A: From the given information, It is required to make focus group for all those students who are…

Q: 5.What is the benefit of random selecting single sample from a population

A: Asked about  benefits of random sampling :  Random sampling : Selecting a sample from population in…

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.