Q. No.1: Under which situations systematic sampling is suitable sampling technique, Explain it with two examples. b) Write down formula for number of possible samples of size n out of N population size in SRSWOR & SRSWR.

Q: Standard error increases as we increase the sampling size. (T: DOGRU, F: YANLIS) Birini seçin: O…

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Q: Suppose a simple random sample of size n 50 is obtained from a population whose size is N20,000 and…

A: The provided information are: Population size, (N) = 20,000Sample size (n) = 50Population proportion…

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: Suppose a simple random sample of size n= 125 is obtained from a population whose size is N= 25,000…

A: Given Data population proportion,p = 0.8 sample size n = 125

Q: In this type of sampling technique, the population is subdivided into at lea different subgroups…

A: Stratified sampling: When the units in the population are divided into subgroups and then the sample…

Q: Based on that, the required sample size to estimate the population mean is equal to?

A: It is given that Margin of error E = 4 Level of confidence = 95% Population SD = 29 The critical…

Q: 17. The best approach for creating a stratified random sample of a population involves: A. drawing…

A: We have to select  The best approach for creating stratified random sample of a population involves…

Q: A systematic sample of size eight scores is selected from a population of 400 scores and the…

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Q: Again, without performing any calculations, what would be less likely to occur: Obtaining a sample…

A: Z = x¯-μσ/n~N(0,1)

Q: sampling

A: Here sampling is without replacement so once a element drawn then not returned

Q: Suppose a simple random sample of size n=200 is obtained from a population whose size is N 20,000…

A: It is given that n=200 and p=0.6.

Q: and Probability. The following are just supplemental problems to enrich your knowledge and skills of…

A: " Since you have posted a question with multiple sub-parts, we will solve the first three subparts…

Q: If the distribution of the population is bimodal, then the sampling distribution for the sample…

A: To identify the statement whether it is true or false. If the distribution of the population is…

Q: To provide concrete illustrations of the sampling distribution of the sample mean. For that reason,…

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Q: The appropriate interval width for a random sample of 100 observations that fall between 50 and 250…

A: We need to use concept of class intervals and number of classes

Q: How large of a sample size is required?

A:

Q: Suppose a population consists of the following values: 1, 3, 5, 7, 9. Construct the sampling…

A: Given Information: Population consists of 1, 3, 5, 7, 9 Sample of size 2 is selected without…

Q: Suppose a simple random sample of size n = 50 is obtained from a population whose size is N = 10,000…

A: We want to find mean and standard deviation and following probability

Q: In simple random sampling, it is also true that each member of the population is equally likely to…

A: Simple random sampling: Simple random sampling is a procedure of collecting samples using the…

Q: A population is divided into several clusters and it has been found that all the items within a…

A: According to the provided information, a population is divided into clusters and it is found that…

Q: 3. Use Slovin's Formula to compute for the value of n (number of samples) needed if the percentage…

A: Here use slovin's formula and stratified sampling method

Q: . A double sampling plan is desired that has a producer’s risk of 0.05 at AQL=3.4% and a consumer’s…

A: Here we have given  AQL = 0.034   LQL = 0.09,   producer's risk α = 0.05 , Consumer's risk β =0.10 ,…

Q: The minimum sample size needed is Is this sample size practical?

A: In the table the minimum samples sizes are given for various situations.

Q: A parameter (designated by a bulls-eye) is being estimated by a statistic from a sample of size…

A: Given Information :  A parameter (designated by a bulls-eye) is being estimated by a statistic from…

Q: o satisfy the desired margin of error, a sample size no smaller than is needed.

A: Given that Margin of error, E = 0.03 Confidence level is 95%, then the critical value of Z is 1.96…

Q: How many possible samples of size 5 are possible from a population of size 70?

A: Combination Rule: The arrangement of r objects from n different objects is given by:

Q: ethod? Select all that apply

A: Sampling Methods: The sampling methods are classified into 2 types  Random Sampling or…

Q: Suppose a simple random sample of size n=200 is obtained from a population whose size is N=15,000…

A:

Q: Under which situations systematic sampling is suitable sampling technique, Explain it with two…

A: Systematic Sampling is the method of sampling in which the first unit is selected at random and…

Q: Q. No.1: Under which situations systematic sampling is suitable sampling technique, Explain it with…

A: 1) Researchers should use systematic sampling instead of simple random sampling when a project is on…

Q: 4. A random sample of n = 60 measurements is obtained from a population with µ = 192 and o =…

A: Given, Population is infinite. Sample size=n= 60Population mean=μ=192Population sd=σ =43

Q: Suppose a simple random sample of size n= 50 is obtained from a population whose size is N= 10,000…

A: Given,n=50p=0.6

Q: Suppose a simple random sample of size n= 50 is obtained from a population whose size is N= 30,000…

A:

Q: Suppose a simple random sample of size n= 200 is obtained from a population whose size is N= 30,000…

A: (b)   Obtain the probability of sample proportion is greater than 0.84.   The probability of sample…

Q: Suppose a simple random sample of size n= 150 is obtained from a population whose size is N= 25,000…

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Q: uppose a simple random sample of size n=125 is obtained from a population whose size is N=10,000 and…

A: For part (b) and (c) I have provided 2 answers for each it is because one using Z - table (Z- score…

Q: 1 The sample size must be increased by a factor of to decrease the margin of error by a factor of 2…

A:

Q: Provide two synonyms for “the distribution of all possible sample means for samples of a given…

A: Sampling distribution of a sample mean:

Q: 1. Find the sample size required from a population of 10,000, given a margin of error 5%. Use…

A: Hello, Thank you for the question. According to our honor code can answer only one question at a…

Q: 4. List the possible samples and the corresponding means in the table. Samples Means

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

Q: Question 6 -- / 1 Stratified sampling involves separating the population into groups and then using…

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Q: Suppose a simple random sample of size n= 125 is obtained from a population whose size is N= 25,000…

A: Given,n=125p=0.8

Q: (2) If 1-in-10 systematic sample is to be chosen, what is the prob. that the first 3 families of…

A: Given information: 1 in 10 systematic sample is to be chosen.

Q: When the sample size n is sufficiently large, the sampling distribution of the sample mean becomes…

A: We have to check the given statement whether it is true or not.

Q: Suppose a simple random sample of size n= 50 is obtained from a population whose size is N= 10,000…

A: The mean of the sampling distribution of the sample proportion . The standard deviation of the…

Q: Determine the sample size necessary to estimate p for the following information.

A: here for 4th part  MOE  <= 0.01  confidence level = 99%

Q: Suppose a simple random sample of size n = 200 is obtained from a population whose size is N= 20,000…

A: Given that p=0.2 and the sample size is n=200 Formula for σp^=p(1-p)n

Q: [7] A sampling plan is desired to have a producer's risk of 0.05 at AQL = 1% and a consumer's risk…

A:

Q: Suppose a simple random sample of size n = 200 is obtained from a population whose size is N= 15,000…

A: Given Data population proportion,p = 0.2 sample size n = 200