sample variance for 415, 462, 417, 210

Q: Calculate the sample mean 72,63,84,84,63,74,74,73,84,14,95

A: Answer: From the given data, 72,63,84,84,63,74,74,73,84,14,95 Sample size(n) = 11

Q: Describe the procedures for obtaining a random sample. step by step

A:

Q: what is atypical sample

A: Atypical sample means something Unusual

Q: The P-value for this sample

A: From part a), the degrees of freedom is 4. The test statistic is 42.37.

Q: What sampling techniques should be used while establishing if someone is happy or not?

A: Here we want to establish sampling technique if someone happy or not.

Q: 11, 13, 8, 12, 3, 7 of 3: Calculate the value of the sample variance. Round your answer to one…

A: The question is about measures.Given :To find :Value of sample variance

Q: Population is a carefully chosen subset of a sample. True or False?

A: A population is the entire collection of individuals or objects that the researchers are interested…

Q: How many ways are there to rearrange the letters in the word STATISTICS?

A: We have given the word STATISTICS We have to find a number of ways are there to rearrange the…

Q: Explain the concept ofrepresentative sampling.

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

Q: What is the Sample Variance for the following numbers: 52, 62, 52, 45, 41

A: Solution-: Given data: 52, 62, 52, 45, 41 We want to find the sample variance?

Q: rite is details about different sampling techniques?

A: Sampling techniques: A sample in order to provide adequate description or inference of the…

Q: Explain the formula for the variance of the sampling distribution of the mean?

A: Central Limit Theorem for mean: If a random sample of size n is taken from a population having mean…

Q: State one similarity and one difference between quota sampling and stratified random sampling.

A: Please find the explanation below.

Q: ung distributibn of the sample means

A: The given graph is, Observe that the given graph looks like  normal distribution . For a normal…

Q: There are eight true or false questions in an exam. What is the sample space?

A: Sample space= ?

Q: all random samples consisting 3 observations from the given data. Arrange the observations in…

A: Given: 86, 89, 92, 95, 98 n=5 r=3 Thus, using combination formula: C (n,r)=nr=n!r! (n-r)!C…

Q: find variance for sample collected     10,15,18,19,0,21,21,25,30

A: xx2101001522518324193610021441214412562530900∑x=159∑x2=3417

Q: Describe a scenario explaining how to find the mean of a sampling distribution and how to calculate…

A: Solution-: Describe a scenario explaining how to find the mean of a sampling distribution and how to…

Q: When having random numbers what is used SURVEYS OR EXPERIMENTS?

A: Here's the explanation for this is as follows; Note that ,Experiment came from the Latin word…

Q: List two ways to identify a simple random sample.

A: Definition: Simple random sampling is defined as a sampling technique where every item in the…

Q: Find the sample variance Given sample 20,13,4,8,10

A: The given sample is 20,13,4,8,10

Q: Describe about the Selection of Sample Size.

A: Sample size It is difficult for researchers to examine each individual in the population. Hence, a…

Q: Anova test can be used to compare 3 population proportions. O True O False

A: The question is about ANOVAIntroduction :ANOVA  :This test is conducted to compare the equality of…

Q: Explain about the Sampling Distribution of mean 1 less mean 2.

A:

Q: Write a short note on the importance of random sample.

A:

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: construct the sample distribution of the sample prportion of heads, for flipping a balanced coin…

A: Ans - Construct the sample distribution of the sample proportion of heads,           for flipping a…

Q: Explain how a sampling distribution of a sample can be constructed.

A:

Q: how do you find the simple random sample of 15 restaurants?

A: In simple random sampling each member of the population has an equal chance of being included in the…

Q: Define sample and explain basic elements of sampling

A: Here we need to define and explain the sample and basic elements of sampling.

Q: Question 1 Sample: 2, 1, 3, 0, 1, 3, 6, 0, 3, 3, 5, 2, 1, 4, 2 What is the mean? Selected Answer:…

A:

Q: find skewness for given sample 4,9,8,11,15,14,17,13

A:

Q: for givendata   2.12,3.45,6.15,2.54,1.23,5.02,4.05,5.20,3.25,4.25

A: The given data is 1.23, 2.12, 2.54, 3.25, 3.45, 4.05, 4.25, 5.02, 5.20, 6.15

Q: Discuss the sampling method that you think was used for this research

A: Four types of sampling methods: Random  : samples choosen randomly, every member of population has…

Q: Determine the sampling methods used in each of the scenarios below iv. Select 8 white cars, 5 blue…

A: Stratified sampling: It is a sampling method in which the entire population is divided into…

Q: hat is the population variance of these numbers? 1,3,3,4,6,7

A:

Q: A local fast food restaurant interviews every 10th customer placing an order at the counter. What…

A: According to the question, a local fast food restraunt interviews every 10th customer placing an…