sample variance for 415, 462, 417, 210

Q: What is the Sample Skewness for the following numbers: 168, 81, 97, 79, 81, 146, 2, 136, 118

A: Solution Given That, What is the Sample Skew ness for the following numbers: 168, 81, 97, 79, 81,…

Q: Test for sample proportions are always two-tailed. Determine whether the statement is true or…

A: In general, we will decide the test based on the alternative hypothesis.

Q: what is atypical sample

A: Atypical sample means something Unusual

Q: What is the Population Variance for the following numbers: 63, 4, 7, 73, 75, 78, 19, 40, 18

A:

Q: The International Shark Attack File recorded the number of shark attacks between 1837 and 2016.…

A: The sample variance is calculated below:

Q: To study about the introduction of schools. The strength of the schools are 2000, 2500 and 4000. It…

A:

Q: Calculate the variance products sold per store using this sample data 0, 77, 38, -5, 44, 62

A: Given data is,0, 77, 38, -5 , 44,  62sample size(n)=6

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: Find and provide the solution of sample mean, sample median, sample mode, and sample variance of the…

A:

Q: Explain the concept ofrepresentative sampling.

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

Q: find the sample variance.  4,8,5,13,3,4,1,10

A: We are given sample data  4 8 5 13 3 4 1 10

Q: The teacher selects 10 left-handed and 10 right-handed students. What type of sampling was being…

A: The teacher selects 10 left-handed and 10 right-handed students. What type of sampling was being…

Q: find sample variance   41,45,48,49,52,53,55

A:

Q: rite is details about different sampling techniques?

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

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 six sisters and a family. Their ages are 7 years, 10 years, 15 years, 15 years, 20 years,…

A: Assume that the random variable x defines the ages of the sisters in the family.

Q: Mother smoking Infant colic Yes No Total status Yes 15 167 182 No 111 2477 2588 Total 126 2644 2770

A: The given data is as follows:Mother smoking statusInfant…

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: 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 types of sampling.

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

Q: d sample variance   4,5,8,9,11,15,16,18,19,2

A: Given data, 4,5,8,9,11,15,16,18,19,22 find sample variance

Q: find variance of data sample size n = 8   52,56,57,50,59,60,61,59

A:

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

A:

Q: A statistics lecturer wanted to determine if the time spent studying affected a student's GPA She…

A: Correct Answer: b. Simple Random SamplingReason: The lecturer collected data from 300 randomly…

Q: Calculate the variance: Here is a sample of the number of books ordered online:  89, 70, 55, 61,…

A: The formula of the sample variance is, Obtain the value of the variance. The value of the variance…

Q: A sample refers to the totality of sets of numbers, measurements, or observations under…

A: # what does sample refer??

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

A:

Q: What do you understand by random sampling?

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: If the sample size is increased, the margin of error will decrease.   True or False

A: Given statement : " If the sample size is increased, the margin of error will decrease "

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: Compute the sample variance of the following data: 3, 4, 23, 52, 55, 64, 65, 65, 67, 67, 68, 72,…

A: Answer - Compute the sample variance of the following data: 3, 4, 23, 52, 55, 64, 65, 65, 67, 67,…

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: What is the Sample Variance for the following numbers: 84, 66, 44, 17, 11, 65, -5, 51, 88

A: Given data  84, 66, 44, 17, 11, 65, -5, 51, 88 Find sample variance ?

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: Find the sample mean for the following: 72,84,62,61,83,84,102,73,92,63,93,84,93,85,78

A: Answer: From the given data, Given sample data is: 72,84,62,61,83,84,102,73,92,63,93,84,93,85,78…

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…