sampling?

Q: Which of the following is a correct statement?   Multiple Choice   Convenience sampling is used to…

A: Convenience sampling is not used only to study shoppers in convenience stores.Judgement sampling is…

Q: In order to make sample statistics more biased we use the degrees of freedom (n-1) in calculating…

A: The objective of the question is to understand the role of degrees of freedom (n-1) in calculating…

Q: Random sampling is the best sampling technique because it guarantees that our sample will be…

A: Given: Random sampling is the best sampling technique because it guarantees that our sample will be…

Q: Number of Farms. The National Agricultural Statistics Service (NASS) conducts studies of the number…

A: Stratified random sampling: Stratified random sampling is a method of sampling in which, the…

Q: a sampling distribution can be regarded as approximately normal when which conditions are met? In…

A: A sampling distribution is a probability distribution of a statistic obtained from a larger number…

Q: A ____________ Random Sample partitions the population into subgroups and then samples

A: In simple random sampling, each of the unit is population has equal chance of being selected in the…

Q: A researcher interested in the study habits of freshman at the University of Utah. To answer this…

A: Population: The population of interest includes all the individuals of interest. The overall group…

Q: Which of the following is FALSE about sampling?  A. We can always assume independence between data…

A: a) This is true as the independents depends on the participants in the population. Thus, we can…

Q: Which statement is true? larger sample sizes produce greater sampling error larger sample sizes…

A: Option c) is correct. greater sampling error produces greater margin of error

Q: (b) What would the sampling distribution of the sample mean for a random sample of size n=8 years…

A: Given: μ=1

Q: which of the following data sampling method is most likely to represent the population from which it…

A: Solution The correct answer is Random sample. Because in the random sampling the probability of…

Q: provide an example using convenience sampling to design a study with 100 students

A: Convenience sampling is a method of non-probability sampling where the sample is  taken from the…

Q: is used when there is a need to emphasize one or more types of population items.     requires both…

A: Simple random sampling is the process of selecting each individual  randomly with equal probability…

Q: True or False? In stratified sampling, the population is split into non-overlapping groups or strata…

A: Stratified sampling: In stratified sampling, the whole population is divided into two or more…

Q: Explain briefly the meaning of sampling error. Give one example of a sampling error and one example…

A: 1) Sampling Error is a statistical error arising out of the certain sample selected  being…

Q: In stratified sampling, the population of interest is first divided into several non-overlapping…

A: Introduction: Stratified sampling is one of the commonly used sampling techniques, that usually uses…

Q: - What effect does sample size have on the shape of a sampling distribution?

A: The probability distribution of a statistic acquired from a bigger sample size taken from a certain…

Q: Qualitative sampling design that asks current participants to refer others who might have similar or…

A: We have to describe the sampling scheme used in given situation.

Q: The symbol x¯ represents the population mean of all possible sample means of size n. False True

A: The correct option is identified below: Population mean: Sample mean:

Q: When dividing a population into subgroups so that a random sample from each subgroup can be…

A:

Q: True or false: The sample mean is always normally distributed, even when the population is skewed…

A: Central limit theorem: When the sample size is sufficiently large and obtained from the symmetrical…

Q: A sampling method that chooses every kth member of a population is called: A “k” sample A judgment…

A: Systematic sampling: Systematic sampling is defined as a method of sampling in which, at first, an…

Q: A sampling distribution is created by taking population values without replacing them to make each…

A: The distribution of statistic like mean, and standard deviation...is known as sampling Distribution.…

Q: Online customer service is a key element to successful online retailing. According to a marketing…

A: The population proportion of those who use online customer service is 0.30, and a sample of 100…