a) With no prior research, what sample size should you gather in order to obtain a 0.015 margin of error? Round your answer up to the nearest whole number.

Q: When estimating the minimum sample size required for a research, if we do not have the preliminary…

A: It is given that, preliminary estimate of proportion is not known.

Q: In order to assess the opinion of students at the University of Minnesota on campus snow removal, a…

A: Definition: Cluster sampling: Cluster sampling is a method of sampling wherein subgroups are formed…

Q: If the result from a sample survey do not represent the results obtained from Census survey, it is…

A: Solution: Sampling Error :  Sampling errorr have origin in the sampling.  Sampling errors arises due…

Q: The required sample size is (Round up to the nearest whole number as needed.) Does the sample size…

A: Sample mean is within 0.014 of the population mean, Margin of error=0.014 At 98% confidence…

Q: both companies used the same sample size, what does this imply about the margin of error for each…

A:

Q: (b) What is the minimum sample size needed using a prior study that found that 44% of the…

A: It is given that margin of error (E) is 0.03 and the confidence level is 0.95.

Q: 1. A t-test would be appropriate for which sample sizes? 1000, 50, 0 or 15?

A: When, the sample size is large, we can use the Central Limit Theorem and assume that the parent…

Q: Determine the sample size for each year level given in the table below (Raw Data). Computation of…

A: Given: The provided data is: Year Level Population Size per Grade Level First year 515 Second…

Q: Required: A statement of the number of engineers, employees and workers who make up this sample.

A: here given ,  A random sample of 30 is chosen from population of 130 professionals  there are 30…

Q: 1. A dermatologist wishes to estimate the proportion of young adults who apply sunscreen regularly…

A: From the provided information, Margin of error = 0.03 Confidence level = 90%

Q: 3. The Humane Society would like to conduct a telephone survey in a small town with a population of…

A:

Q: c) If the sample size were 100 instead, how would your limits and conclusions change? UCL (enter…

A:

Q: isn't the sample size should be 35, not 12?

A: We have given that the information presented by the tutorial school related to the IELTS  mock…

Q: 3. A decision-making procedure to find out whether there is a significant difference between a claim…

A: The objective is to find the correct option from the given choices.

Q: An online retail claims that 90% of all orders are shipped within 11 hours of being received. A…

A: Assume that p is the population proportion of all orders those are shipped within 11 hours of being…

Q: Can you think of an area where it might not be practical, for a variety of reasons, to sample 100%…

A: Given:- We can think of an area where it might be practical, for a variety of reasons ,to sample…

Q: If a manufacturer conducted a survey among randomly selected target market households and wanted to…

A: When we don't have any prior information about population proportion, we generally take it as 0.50.…

Q: Consider a sample of data with the following values: 12, 14, 18, 23 Create a possible bootstrap…

A: Sample size is 4. So there will be  Bootstrap sample for the given data.  Sample for size 1, 4P1=…

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: When Rich calculated the sample mean in Part 2, he mistakenly used the numbers 20, 25, 13, 9, 15,…

A: Given numbers are 20, 25, 13, 9, 15, 11, 17, 17, 30 Sample mean = Total sum of given numbersTotal of…

Q: If σ = 35, what sample size would you need to get the standard error to be at most 2.5? If the…

A:

Q: In order to estimate the population proportion with a high school education,  you need a minimum…

A:

Q: What sample size should be selected to estimate the proportion of out of state guests with a margin…

A: Margin of error, ME = 0.05 sample proportion, p̂ = 0.45 confidence level, c = 95 % = 0.95…

Q: An environmental agency took a map of a region near a former industrial waste dump and placed a grid…

A:

Q: 3.193 Although, in practice, sample data are generally analyzed in inferential studies, what is the…

A: Inferential statistics is a set of methods used to draw inferences about the population measures by…

Q: In an independent measures design, what test may we use to discover differences between three or…

A: Friedman's test is the answer. In an independent measures design, Friedman's test is used to…

Q: a) With no prior research, what sample size should you gather in order to obtain a 0.02 margin of…

A: margin of error = zα p(1-p)/n margin of error = 0.02 for 95% confidence interval zα = 1.96

Q: idence level=95% idence level= 99%

A: We have to find sample size required for given ci.

Q: If the computed minimum sample size n needed for a particular margin of error is not a whole number,…

A: The margin of error decreases as the sample size increases. The relationship is called an inverse…

Q: In each of the following situations, a random sample must be obtained. Determine whether a cluster,…

A: It is been asked to determine the appropriate random sampling method for the provided situation.…

Q: If a manufacturer conducted a survey among randomly selected target market households and wanted to…

A: question: If a manufacturer conducted a survey among randomly selected target market households and…

Q: 1. what is the sample size of the body?

A: The association exist between the two categorical variable are calculated using chi square test. The…

Q: Please view the question in the photo and answer the following questions. TY! (A) What is the…

A: Given,margin of error (E)=0.02α=1-0.90=0.1α2=0.05Z0.05=1.645   (from Z-table)

Q: what sample size should be used?

A: Given :  Margin of error=E=3%=0.03 Significance level=α=0.05 Since , the estimate of the population…

Q: ENTIFY THE SAMPLE SIZE WHEN THE LOT SIZE IS 200 UNITS, THE INSPECTION IS NORMAL LEVEL II. THE…

A: 1) the lot size (n) = 200 and THE ACCEPTANCE QUALITY LEVEL IS 1.0% The inspection is normal general…

Q: (a) What is the minimum sample size needed assuming that no prior information is available? n =…

A:

Q: a. A large convenience store chain wishes to determine its customers’ level of satisfaction with…

A: Hey there! Thank you for posting the question.  Since you have posted a question with multiple…

Q: The number of defectives in 10 different samples of 100 observations each is the following: 1, 2, 1,…

A: Obtain the estimate of the population proportion of defectives. The estimate of the population…

Q: rolled

A: We have 2 coins ,for this we have 2*2= 4 sample points.    I.e {HH,HT,TH,TT} And for a die we have…

Q: What is the Importance of Equal Sample Sizes?

A: The t-test and ANOVA assume that the sample sizes are equal. There is an importance that the two…

Q: What is the size of the sample space when four coins are flipped?

A: First we will determine the sample space when four coins are flipped and then count the possible…

Q: Consider the fictitious Single Sample OC curve given below. If the lot size is N = 460, what is the…

A: OC curves are used to plot the probability of acceptance and the proportion of defectives in a…

Q: 3. If you are going to conduct a survey on the opinions of students regarding HB6875 or the proposed…

A: NOTE : As per Bartleby guidelines, only one question will be answered in case of multiple questions.…

Q: (c) If we want a margin of error of only + 1.0, what sample size is needed? Round your answer up to…

A: The following information is provided. consider the level of significance is 0.05. Also,

Q: Assuming a sample size of 76, what is the 90th percentile for the AVERAGE teacher’s salary?

A: From the above question The given values are  n = 76 The calculate 90 th  percentile So the formula…

Q: he required sample size is. Round up to the nearest whole number as needed.)

A: It is given that confidence level is 0.98, population standard deviation is 17.8 and the margin of…

Q: 1. Come up with a sampling plan to find the proportion of dots that are red, and also an estimate of…

A: Given: A square of side 1 with numerous red and black dots

Q: For quality assurance, every fifth package on an assembly line is selected and tested for…

A: Given that for quality assurance, every fifth package on an assembly line is selected and tested for…

Q: Indicate the LEAST sample size required using the Yamane's formula. 1. Population = 500 margin of…

A: 1- Sample size= 476 2- Sample size= 300 3- Sample size= 89 4- Sample size= 200 5- Sample size= 310…

Q: Using MIL STD 105 E, identify the sample size when the lot size is 6500 units, the inspection is…

A: Given information: The lot size is N = 6500. The normal general inspection level is I. The…

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.