Extra Small  390  Small   470  Medium 520    Large 680  Extra Large 440 it was discovered that the sizing of the shirts was labelled incorrectly. 1. why it would be necessary to examine a sample of the shirt produce rather than examine the entire weekly production. 2. using stratified random sampling technique calculate the number of medium shirts that will be selected if we required a sample of 375 shirts.   3. one advantage of using stratified random method for collecting this sample

Q: 3. (Refer to Krejcie and Morgan Table) Considering the 1, 200 students in the School of Teacher…

A: Given information: Method to be used: Krejcie & Morgan sample size determination method…

Q: Sampling to determine the total number of samples per group from 6,000 male and 2,000 female. (Use…

A: The provided information is The total population is  N=6000+2000=8000 The margin of error is  e=0.05…

Q: 1. The goal is to see if there is statistical evidence that the fabric polyester will decay after…

A: Given :

Q: Discuss the method of drawing a systematic sample of size 4 when N=24

A: Given - Pop. size = N = 24 Sample size = n = 4

Q: Which of the below is FALSE regarding sampling vs. nonsampling errors? Answers: sampling error can…

A: To find the FALSE' regarding sampling vs. nonsampling errors.The sampling error :(i)Sampling error…

Q: For this question suppose you want to select a sample of 1000 New Yorkers. 1. If we want our sample…

A:

Q: Explain in your own words the advantages of bigger random samples in a sample survey

A: Explain in your own words the advantages of bigger random samples in a sample survey

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

A: Given information: It is given that the department of health is conducting random drug testing in a…

Q: 0.20 0.30 0.40 0.50 0.60 0.70 0.80 Simulated proportions of samples, n= 25 Using the dotplot, is…

A: From the given information we take 100 simulation of size 25 and the proprtion of head is 0.68.

Q: 2. Let sample proportion . How large a sample should be taken to be 95 % sure that the error of…

A: As per our guidelines we are supposed to answer only one question per post. Given that, margin of…

Q: What is true about the sampling distribution of the mean retings reported to you by the market firms

A:

Q: 2. What is the importance of getting the sample size?

A:

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

A: Increase power

Q: 5. Based on the table below which researcher will get a big boost in precision. Why? Does increasing…

A: Given:

Q: Nicole Sturgous is curious about whether Pawnee National Park gets more visitors per year than the…

A: A paired samples t-test is used to determine whether the population mean difference of two dependent…

Q: This technique is used when the population is divided into groups or areas and an entire group or…

A: In this question property of a type of sampling technique is given. It says that this technique is…

Q: Q1      Highlight the target population, identify the sampling technique used, and calculate the…

A: Part a: The pharmaceutical company had 1500 employees. Thus, the target population is all the 1500…

Q: If we would like to decrease the margin of error without changing the sample size, what must happen?

A: We have to find what to do to decrease margin of error.

Q: Character recognition An automatic character recogni-tion device can successfully read about 85% of…

A: Central Limit Theorem for Proportion: As the sample size increases, the sampling distribution of…

Q: ppose that 97% of Monarch butterflies migrate to Mexico in winter. What is the smallest sample size…

A: Given data, 97% of Monarch butterflies migrate to Mexico in winter p=97%=0.97 What is the smallest…

Q: Why is it necessary for a sample to be obtained randomly rather than conveniently?

A: Since we know that Random sampling makes.  sure that the findings you get from your sample should be…

Q: Explain how you can select a systematic sample of size 7 from a population of size60

A: Determine the procedure for selecting the systematic sample of size 7 from a population of size 60..…

Q: Science teacher interviews all of the students who are members of the school science club. This type…

A: Solution-: We want to find the type of sampling for following example Science teacher interviews all…

Q: For a sample of n=16 scores, how many scores are used to calculate the sample variance?

A:

Q: An airline company would like to know if the average number of passengers on a flight in November is…

A:

Q: Question Help Suppose a life insurance company sells a $250,000 one-year term life insurance policy…

A: We have to find expected value.

Q: the managers of a large company wished to know the precentage of employees who feel "extremely…

A: Given that, the managers of a large company wished to know the percentage of employees who feel…

Q: cm square plots, then randomly selected twenty of the fifty square plots and measured the size of…

A: Convenience Sampling: In this method of sampling, the sample units are selected according to the…

Q: 1. What are the advantages of using samples against the entire population for statistical analysis…

A: 1) Sample is the representative of the entire population. It contains data having similar or exact…

Q: 18. Suppose a researcher conducts a study on the relationship between hours of exercise per week and…

A:

Q: the managers of a large company wished to know the precentage of employees who feel "extremely…

A: The three Big Ideas are take a sample, make sure the sample is random and make sure the same sample…

Q: arlneDetermine whether the samples are independent or related. 1. A police department wants to…

A: Note: Hi, thank you for the question. As per our company guideline we are supposed to answer only…

Q: What are the practical Reasons for learning how to use the formula in determining sample size?

A: The two major factors affecting the power of a study are the sample size and the effect size A…

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

A: Suppose p is the true population proportion of air passengers who prefer aisle seats.

Q: Obtain the standard error of difference of sample proportions.

A: ANSWER: For the given data,

Q: Male:193 Female:169 What is the sample size for this gender question?

A: Number of Males, Number of Females,

Q: Suppose that we randomly choose 100 Skittles before they are packaged and pick 27 red candies, 19…

A:

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.