Explain the meaning of the specified term. Sample data

Q: Give concrete examples when you would/would not use the following measures of location: Sample mean,…

A: A measure of central tendency is a summary statistic that describe the central tendency or typical…

Q: Explain the meaning of the specified term. Population data

A: Population: A ‘population’ is defined as a set or collection of all the individual persons, objects,…

Q: Explain the meaning of the specified term Sample distribution

A: The distribution which is used to describe the sample data is called the sample distribution. In…

Q: The "fishing" approach to data analysis refers to what?

A: " fishing" is a data mining  practice in which large volumes of data are analyzed seeking any…

Q: Does the sample size ? affect the mean of all possible sample means? Explain your answer.

A: According to central limit theorem, for large sample (>30) or if the population follows normal…

Q: What do you think is the reason, why researchers prefer to get a sample from the total population…

A: A researcher can carefully design the study which to a large extent try to prevent the biases and…

Q: Explains how population and sample differ?

A: Introduction: Population of interest: The population of interest includes all the individuals of…

Q: a) Why do you think any serious researcher would use the sample mean as a measure center to estimate…

A: (a) solution

Q: Based on the boxplots and the mean/median relationship what is the shape of each data set? Explain…

A: Given:

Q: what is sample and population ?

A: Population : Population refers to all possible individuals or subjects in a study Or we can say that…

Q: how does the sample and population relate?

A: Sample and population both are different items, but both are related with each other. Population is…

Q: State 2 reasons why a sample survey may be preferred over conducting a census to obtain data.

A: Census: A census is a collection of information from all units in the population or a complete…

Q: What is the name of this type of sample?

A: In the method of convenience sampling, the individual samples are easily determined and do not…

Q: What is the population mean of the given set of data? {3, 5, 9, 7, 10}

A:

Q: Explain the difference between an independent and dependent sample. Give an example of each.

A: Dependent samples:The two samples are said to be dependent if there exist an effect of one on…

Q: In sampling, explain why obtaining a representative sample is important.

A: Representative sampling is important in sampling technique.

Q: what is meant by the term “sampling distribution” ?

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

Q: What is Sample?

A:

Q: Distinguish briefly the Population and sample

A: Population : The population is a wider group of people, items, events, etc on the basis of which…

Q: Describe a scenario and explain finding the mean of a sampling distribution.

A:

Q: Explain how judgement is used in statistical and non-statistical sampling.

A: The statistical sampling is based on the theory of probability. In statistical sampling each element…

Q: Explain the concept of Missing Data and Sample Selection?

A:

Q: Does the sample size have an effect on the mean of all possible sample means? Explain your answer.

A:

Q: Descriptive statistics is another way of drawing a conclusion which helps us determine whether the…

A: Descriptive statistics: Descriptive statistics is a part of statistics where the data is summarize…

Q: Explain the EFFECT OF SAMPLE SIZE.

A: The size of our sample defines how much information we have and thus, in part, decides our precision…

Q: How do the sample mean and the population mean differ? What is the symbol for each type of mean?

A: Here we have to define  How do the sample mean and the population mean differ? and  What is the…

Q: Briefly explain how theory development might impact the selection of a sample.

A: Find: The theory development might impact the selection of a sample.

Q: Explain about if larger the sample size, what does this reflects.

A:

Q: What is the five-number summary for the set of data below? 7,6, 5, 14, 18, 14, 20 Lower Extreme…

A: Given the data 7 6 5 14 18 14 20

Q: Explain why the margin of error determines the accuracy with which a sample mean estimates a…

A:

Q: find sample variance for given data 12,15,4,69,85,6,56,89,6,47

A:

Q: Explain Properties of the Sample Mean?

A: Mean: The arithmetic mean(also called the mean) is the most commonly used measure of central…

Q: Does the sample size n affect the mean of all possible sample means? Explain your answer.

A:

Q: find sample coefficient of variation for given data 12,15,4,69,85,63,34,75,62,69,74,52,16,46,42

A: Given data is :  12, 15, 4, 69, 85, 63, 34, 75, 62, 69, 74, 52, 16, 46, 42 we want to find the…

Q: True or False? When calculating the sample size for a research study, a researcher should always…

A: Sample size, n: The sample size represents the number of observations in the sample. It is denoted…

Q: find sample variance for given data  89,78,7,51,36,56,45,78,85,21,96,68

A:

Q: Explain the relationships among the sample proportion, the number of successes in the sample, and…

A: Sample proportion: The fraction of number of members sampled which have a specified attribute and…

Q: Explain sample?

A: To Explain the sample??

Q: WHAT IF? You want to estimate the number of twelfth-grade students in a high school who ride a bus…

A: Unbiased: An estimator or decision rule with zero bias is called unbiased.

Q: Describe how you would pick a sample for an interview. ng. (St-

A: here total 1950 student in school and here systematic sampling method is used

Q: (a) Explain 3 methods of obtaining data from sampling? (b) What are two important aspects of…

A: a)  There are two types of sampling methods: Probability sampling involves random selection,…

Q: find sample variance of data   45,85,63,21,54,25,85,65

A:

Q: What is the population of interest? What is the sample?

A: 41. The study is conducted to determine the number of hours of sleep full-time college students at…

Q: What is the sample for the study

A: The sample is the subset of the population.

Q: Explain what it means that a sample must be representative of the population.

A: It is an important part of statistics. It is widely used.

Q: It's one question. Second image is the sample data

A: Statistical hypothesis testing is an important method in inferential statistics. It is used to test…

Q: Are written conclusions a form of statistics?

A: Yes, for any problem statement conclusion must be drawn and it is a form of statistics.