The following table shows the number of shirts by sizes that are manufactured in a factory on a particular week: Extra Small Small Medium Large Extra Large 390 470 520 680 440 (iv)State one advantage of using stratified random method for collecting this sample.

Q: The following table shows the number of shirts by sizes that are manufactured in a dactory in a…

A: In stratified sampling the entire population is divided into homogeneous subpopulations called…

Q: Suppose a simple random sample of size n= 200 is obtained from a population whose size is N=20,000…

A: a) Consider that p is the population proportion and p̂ is the sample proportion, where n is size of…

Q: Given a binomial random variable x and p = 0.2, find the mean for a sample size of 15.

A: Given data, p=0.2 n=15 What is the mean?

Q: sampling

A: Here sampling is without replacement so once a element drawn then not returned

Q: Classify the following as Discrete or Continuous random variable. 4. Teachers in the division in a…

A: 4. Teachers in the division in a year  - Discrete random variable.5. The number of male singers -…

Q: In a large school district, all teachers from two buildings are interviewed to determine whether…

A:

Q: Which of the following is NOT a method for generating a representative sample O Simple random sample…

A: Convenience sampling: Convenience sampling is a process of selecting individuals from a population…

Q: The International Air Transport Association surveys business travelers to develop quality ratings…

A: It is given that:

Q: The following table shows the number of shirts by sizes that are manufactured in a factory on a…

A: Given, The size of the entire sample (Ni)=375 Population size (N)=(390+470+520+680+440)=2500 Size of…

Q: The Human Resources Manager of a factory tries to reduce the staffing costs by hiring and laying off…

A: a).The sample mean is defined as the ratio of sum of all observations by the total number of…

Q: claim a random sample of N = 15 parts will be taken and if more than two defective parts are found

A: Given: sample size, n = 15 p = 10% = 0.10 x =2 more than two defective parts are found P(X > 2)

Q: An analysis is performed on vacant land parcels in the city of Thunder B out whether or not they are…

A: 3 4 5 12 1 3 5 9 1 3 2 6 5 10 12 27   Mean Variance Variance Mean Ratio chi square…

Q: What is the selection of a simple random sample from each of a given number of subpopulation, or…

A: Stratified random sampling: In stratified random sampling the entire population is divided into…

Q: Sigmund Freud is interested in studying the dreams of adolescent boys (aged 10-19) to further his…

A: A Simple Random Sample is a subset of a statistical population in which each member of the subset…

Q: The following table shows the number of shirts by sizes that are manufactured in a factory on a…

A: Hello. Since your question has multiple sub-parts, we will solve first three sub-parts for you. If…

Q: The International Air Transport Association surveys business travelers to develop quality ratings…

A: Step-by-step procedure to obtain the mean and the standard deviation using Excel is given below: In…

Q: Extra small    390 small    470 medium 520 large    68 extra large  440 Using the stratified…

A: In stratified random sampling, the samples are selected from each of the stratum in the proportion…

Q: Consider a population with 3 observations: 6, 10 and 12. You use simple random sampling without…

A: Given : Population size (N)=3 6 10 12 Sample size (n)=2

Q: Suppose a population consists of the scores of 5 students in a certain examination, as follows: 8,…

A: If 2 observations are used for making a sampling distribution of sample mean from 5 population…

Q: Suppose a simple random sample of size n= 36 is obtained from a population that is skewed right…

A: Hey there! Thank you for posting the question. Since your question has more than 3 parts, we are…

Q: The International Air Transport Association surveys business travelers to develop quality ratings…

A: From the provided information, Sample size (n) = 50 The mean and standard deviation of the data can…

Q: The three-digit numbers from left to right from the random number table were found to be the…

A: Introduction: It is required to identify the first usable number, and list all 10 numbers in the…

Q: State two differences between a cluster sample and a stratified random sample in this situation.

A: Following are differences explained as below-

Q: The following table shows the number of shirts by sizes that are manufactured in a factory on a…

A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: The following table shows the number of shirts by sizes that are manufactured in a factory on a…

A: Given information: Size Count Extra small 390 Small 470 Medium 520 Large 680 Extra…

Q: 1. A packaging process is supposed to fill small boxes of raisins with approximately fifty raisins…

A: Given  100 boxes of raisins are randomly sampled No. of raisins in each box is as follows:

Q: A machine that produces a major part for an airplane engine is monitored closely. In the past, 10%…

A: For 95% confidence level we have to find sample size for given margin of error.

Q: A study was commissioned to find t the residents in certain town. The s random sample of 114…

A:

Q: The following table shows the number of shirts by sizes that are manufactured in a factory on a…

A: The number of particular shirt sizes manufactured by the factory. Extra-small Small Medium Large…

Q: Consider a single-sampling plan for which p1=0.02, p2=0.06, n=300, c=1, AQL= 0.03 and LTPD= 0.05.…

A:

Q: Consider a finite population with five elements labeled A, B, C, D, and E. Ten possible simple…

A:

Q: a) It was discovered that the sizing of some shirts was labelled incorrectly. (i) State two…

A: In cluster sampling, population is divided into groups called clusters and entire cluster is…

Q: The following table shows the number of shirts by sizes that are manufactured in a factory on a…

A: The process of extracting sample from the population is called as sampling. There are few methods of…

Q: the following table shows the number of shirts by sizes that are manufactured in a factory on a…

A: Total sample size required n = 375

Q: 2. A researcher wants to know the average scores of students in statistics class, he wants to…

A: In question, Given that A researcher wants to know average scores of students and choose 10 students…

Q: A manufacturer of band saws wants to estimate the average repair cost per month for the saws he has…

A: Hi! Thank you for the question, As per the honor code, we are allowed to answer one question at a…

Q: A random sample is one on which the

A:

Q: A simple random sample of 100 high school students who took the AP exam in statistics is taken from…

A: Solution:- from given information Null hypothesis H0:p1=0.4,p2=0.25,p3=0.23,p4=0.12Alternate…

Q: The following shows the number of shirts by sizes that are manufactured in a factory on a particular…

A: Note : Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the…

Q: An agricultural researcher takes a simple random sample of 400 English carrot farms. (Assume there…

A:

Q: 1) Suppose we roll a regular six-sided die three times and note whether it lands as an even number…

A: Given that, we roll a regular six-sided die three times and note whether it lands as an even number…

Q: At the distribution hub of a major grocery store chain, a large shipment of honeydew melons has…

A:

Q: A surveyor wants to sample a city for the local Public Health Office in order to assess asthma rates…

A: A) Two stage cluster sampling. Here, surveyor first take random sample of 2 tract and then take…

Q: a. Lester puts the numbers 01 to 20 in a bag. Without looking, he draws the numbers 11, 19, and 03.…

A: Provided information is: A consumer group wishes to estimate the average time a person waits in a…

Q: A radio advertiser wishes to choose a sample of size 100 from a population of 5000 listeners. He…

A: In stratified random sampling we divide the population into equal parts then we select proportional…

Q: 4. Let X be a random variable with values 2, 3, 5, and 6. Find the sampling distribution of the mean…

A: here given population 2,3,5 and 6  here sample of size n =2 are selected

Q: A farmer sows 100 seeds of a new type of corn and wants to quickly determine the yield, or total…

A: Here the population size = 100 Digits for representing the population : 00-99 (2 digit number)

Q: The International Air Transport Association surveys business travelers to develop quality ratings…

A: The International Air Transport Association surveys business travelers to develop quality ratings…

Q: The International Air Transport Association surveys business travelers to develop quality ratings…

A: Solution: Let X be the rating for Miami. The given data is 8, 8, 4, 0, 5, 5, 5, 4, 4, 4, 4, 3, 10,…

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.