To estimate the percentage of defects in a recent manufacturing batch, a quality control manager at Microsoft selects every 15th software CD that comes off the assembly line starting with the eighth until she obtains a sample of 150 software CDs. What type of sampling is used? O A. Simple random O B. Cluster OC. Systematic OD. Convenience OE. Stratified

Q: An online news source reports that the proportion of smart phone owners who use a certain operating…

A: Here we need to find the mean of the sampling distribution. Here it is given that the sample size is…

Q: A Pew Research study estimates that 803 million people live in poverty today, after the 2020 global…

A: It is given that 803,000,000 people live in poverty today, out of 7,754,000,000 people worldwide.

Q: Given the sample −1−1, 1010, 00, 1111, add one more sample value that will neither change the mean…

A: Given data : −1−1, 1010, 00, 1111 n= number of data = 5

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

A:

Q: Read the description below and determine the method of sampling. Ask four classmates to rate the…

A: Answer is  Convenience

Q: Identify the sampling technique used to obtain the following sample. A group of people are…

A: Solution Option (E)

Q: A political scientist surveys 40 of the current 138 representatives in a state's congress. What is…

A: Determine the size of the sample from the given data. The size of the sample from the given data is…

Q: determine what type of sampling technique is used (Simple Random Sampling, Stratified Random…

A: Since the researcher selects 15 households from each code means he has selected distinct…

Q: Simple Random Sampling Stratified Random Sampling Systematic Sampling d. Cluster Sampling e.…

A: Simple Random Sampling involves selecting participants from a population in a way that every…

Q: Identify which type of sampling is used: random, systematic, convenience, stratified, or cluster. To…

A: Sony randomly selects 30 concerts during a certain week and surveys and all concert goers to…

Q: In a factory producing light bulbs, the quality control team randomly selects 100 bulbs from a batch…

A: The number of selected bulbs, n=100.The number of defective bulbs, x=10

Q: An instructor at UD wants to conduct a  survey from students of Math 114 to know the opinion of…

A: The objective of the question is to match the given sampling techniques with the appropriate…

Q: Identify the sampling techniques used in each scenario. surveying movie-goers as they exited the…

A: Introduction: It is required to identify the sampling technique used.

Q: A poll in Canada states that 67% of all respondents favor imposing the death penalty. The poll was…

A: Given that - A poll in Canada states that 67% of all respondents favor imposing the death penalty.…

Q: Identify which type of sampling is used: random, systematic, convenience, stratified, or cluster. To…

A: Given that To determine the customer opinion of their check in service American airlines randomly…

Q: determine what type of sampling technique is used (Simple Random Sampling, Stratified Random…

A: Systematic sampling: Systematic sampling involves of first considering a starting point for…

Q: Identify which type of sampling is used: random, systematic, convenience, stratified, or cluster. To…

A: Customer opinion of their pricing, Amtrak randomly selects 40 trains during a certain week and…

Q: dentify the type of sampling used. A sample consists of every 35th worker from a group of 2000…

A: we have to find type of sampling used. A sample consists of every 35th worker from a group of 2000…

Q: Find the mean, median, mode, sample size, and range of these numbers: 25, 15, 29, 25, 22, 29, 21,…

A: Solution: Mean ˉx=∑x/n  =(25+15+29+25+22+29+21+25+10+29)/10  =230/10  mean=23   Median :…

Q: Many states are carefully considering steps that would help them collect sales taxes on items…

A:

Q: A survey of students living in a high-rise residence is to be conducted. The residence has 10…

A: Systematic sampling A sampling method in which the sampling is done from a larger population and…

Q: Find the mean, median, mode, sample size, and range of these numbers: 20, 5, 20, 25, 20, 19, 22,…

A: Given that data 20, 5, 20, 25, 20, 19, 22, 25, 12, 20 Arrange the data in increasing order 5 , 12 ,…

Q: Calculate the skew sales per store using this sample data 91, 53, 71, 4, 30, 16

A: Solution-; We have following sample data: Xi: 91,53,71,4,30,16 We want to calculate the skew sales…

Q: The property manager for an apartment building wants to see which pizza delivery company delivers to…

A: Sampling is a technique which is used to take the sample from the population. Sampling has broadly…

Q: find sample mean and sd   4.5,8.5,6.0,8.2,4.5,6.3,8.4,5.3,9.1,2.5,6.0,7.5

A: We need to find sample mean and sd 4.5,8.5,6.0,8.2,4.5,6.3,8.4,5.3,9.1,2.5,6.0,7.5

Q: Renee works as a quality control officer at a lumber yard. She selects every 200th two-by-four that…

A: In systematic sampling we divide the population in N equal sub population then we select every kth…

Q: Identify the sampling technique used to obtain the following sample. A state is divided into regions…

A: Solution Given the sampling is taken by  dividing state  into regions using towns. A random sample…

Q: What number completes the folloming distribution containing 3 trials? P(X) 0.25 0.35 0.30

A: Given data, What is the probability that distribution contains 3 trials?

Q: Define the following terms:a. Populationb. Sample

A: a)Population:Population is defined as the collection of all possible individuals that can be…

Q: Identify which of these types of sampling is​ used: random,​ systematic, convenience,​ stratified,…

A: In Britney's case:- The entire day is her "population".- She divides this day into three distinct…

Q: A teacher divides his class into groups, randomly selects 3, and asks all students from the chosen…

A: Given that, a teacher divides his class into groups, randomly selects 3, and asks all students from…

Q: If 471 households were surveyed out of which 385 households have internet fiber cable, what is the…

A: Among 471 households 385 households have internet fiber cable, therefore 471-385 = 86 households…

Q: Identify the type of sampling that is used in this statement. A tax auditor selects every 1000th…

A: It is given that the statement about to the type of sampling. Here, need to find out the correct…

Q: Identify the type of sampling that is used in this statement.   To avoid working​ late, a quality…

A: Sampling is integral to inferential statistical analysis.

Q: Identify BOTH the populationand the samplefor thesituation below.A survey of 21pharmacists from…

A: The population is the set of all subjects of interest.

Q: An electronics manufacturer test every 300th cell phone to verify that it is functioning properly.…

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

Q: Rangers tagged and released 250 small mouth bass into a Round Lake. A month later, fishermen on the…

A: Given that 250 small mouth bass are tagged and released in lake. A month later a sample of 50 mouth…

Q: Minnesota had the highest turnout rate of any state for the 2016 presidential election.† Political…

A: Given:x1=639, n1=852x2=378, n2=525   a)Here,p^1=x1n1=639852=0.75   Therefore, the proportion of…

Q: Show how you would use systematic sampling to select 100 samples of sale orders from an ordered file…

A: Systematic sampling: When the population units occur in a sequence or pattern and a sample of size n…

Q: If the sample size is decreased, then the sampling error will -- a. not change b. Increase c.…

A: The sampling error is sn.