Give an example of a situation in statistics that demonstrates the need for sampling.

Q: The margin of error increases if the sample size increases. True False

A: Margin of error is given by, MoE= z*sigma/√n  MoE is inversely proportional to n so as we increase…

Q: Describe the shape of this sampling distribution.

A:

Q: What type of statistics is presented in the financial section of a newspaper, inferential or…

A: Descriptive statistics: Based on the situation, the data is collected. It is then organized and…

Q: Explain Bionomial distribution with examples?

A: X~Binom(n , p) =========== Formula : P(X =x) = nxpx(1-p)n-x ; x= 0,1,2,..,n

Q: what are importance and applications of statistics? Write in detail.

A: When the man started counting, comparing, and keeping records in one or another way, the subject…

Q: Give real life examples of simple random sampling and stratified sampling

A: Sampling is choosing a part of the total population . It is done to draw inferences about population…

Q: Interpret the desciptive statistics

A: The objective is to interpret the descriptive statistics. Descriptive statistics are used to…

Q: How is a sample related to a​ population?

A: Population is set of all elements about which we want to know. While the sample is a part of such…

Q: What is an example of the use of statistics to make predictions and decisions in our daily lives?

A: Probability & Statistics can be used in our daily life in many activities like online shopping.

Q: Explain the concept ofrepresentative sampling.

A: Representative sampling: A representative sample is a subset of a population that seeks to correctly…

Q: What are some examples of sample statistics

A: Sample: A subpart, portion or subgroup is selected taken from the population is known as sample. It…

Q: People on the street" interviews is example of systematic sampling

A: Answer is Convenience sampling.

Q: The two main branches of statistics are Descriptive and Inferential Population and a sample…

A: The branch of statistics in which a random sample of data take from population is used to describe…

Q: What does the true sampling distribution serves?

A:

Q: what was the primary use of statistics in ancient times

A: In ancient times, Statistics was primarily used by the rulers or kings in order to collect…

Q: a) Explain how you can select a systematic sample of size 7 from a population of size 60.

A: Sampling designs: Simple random sampling: In simple random sampling, all the units in the population…

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

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: What are the terminologies used in Statistics? Give them all

A: The terminology used in statistics are listed below

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: 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: Give me an example of systematic sampling and simple random sample

A: Given : Systematic sampling   Simple random sample

Q: List three reasons why samples are used in statistics

A: Solution: Population is the entire set of units under study. Sample is the subset of population.

Q: Discuss about population and sample using examples

A: The Aggregate of units or group of units possessing particular characteristic under the…

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

A:

Q: When do official statistics occur?

A: Official statistics: These are the statistics produced by official governmental agencies for…

Q: The statistics that describe a population in terms of personal characteristics.

A: Statistics that describe a population in terms of personal characteristics such as age, gender,…

Q: Develop a basic understanding of the properties of a sampling distribution based on the properties…

A: The properties of sampling distribution are:

Q: the average score for an entire population is an example of

A: Solution: Parameter: Parameters is fixed value  obtained from a all population or  whole population.…

Q: Explain the concept of probability and statistics.

A: Statistics: Statistics refers to data and the methods of collecting numerical data, analyzing it,…

Q: What are the examples of population?

A:

Q: What does a sampling distribution serves?

A:

Q: Explain the meaning of the specified term. Distribution of a data set

A:

Q: Make your own example of mean of a sampling distribution. Also, construct the sampling distribution.

A: Concept of sampling distribution of sample mean: Let a particular characteristic of a population is…

Q: effect size in statistics

A: Sample size or effect size shows the true relationships among the variables.it gives practical…

Q: Make your own example of mean and variance of a sampling distribution. Also, construct the sampling…

A: Given that We have to Make own example of mean and variance of a sampling distribution. Also,…

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: Explain step by steb  Consider your clan (family and relatives) as the population. List the members…

A: Sampling is nothing but the technique of selecting individual members from of the…

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: what happens to the mean as the sample size increases?

A: It is given that the sample size is increasing.

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.