y's tax collection agency reported that 93​% of individual tax returns were filed electronically in 2017. A random sample of 245 tax returns from 2018 was selected. From th

Q: A student polls his school to see if students in the school district are for or against the new…

A: Given: Sample size (n) = 366 Number of students who are against the new legislation (x) = 287

Q: Using the accompanying Accounting Professionals data to answer the following questions. a. Find and…

A: The question is about confidence interval.Given :No. of employees ( n ) = 20

Q: What are the chances your flight will leave on time? The Bureau of Transportation Statistics of the…

A: n=285y¯=78.2333s=4.9460

Q: mpling process is repeated many time sers who use this social media platfor

A: Option b) is correct.   The estimate is given by p^ =0.458 + 0.5282 = 0.52

Q: Death penalty: A group claims that the overall feelings of the general population on the death…

A: The objective of this question is to construct a 95% confidence interval for the proportion of…

Q: 5. Attending sporting events is a popular source of entertainment. When 1000 people were surveyed,…

A: Given that 1000 people were surveyed. Therefore the sample size is  n=1000 After survey it is found…

Q: In a sample of 250 people, 154 said that they watched educational television. Based on these sample…

A: The best point estimate of population proportion is sample proportion (p^) p^ = xn Margin of error…

Q: In a study of government financial aid for college students, it becomes necessary to estimate the…

A: The provided information are: Confidence level = 90% = 0.90 Margin of error (E) = 0.05 From the…

Q: A poll for a statewide election has a margin of error of 1.3 percentage points.   How many voters…

A:

Q: A national poll found that 684 people out of 1100 believe in UFO’s. Answer the following questions.…

A: Given data,Number of people n=1100People who believe in UFO is x=684Find the 94% confidence interval

Q: A poll found that 83% of American adults believed that there was a conspiracy in the death of…

A: Given  Population proportion p=0.83, X=869, n=sample size=1060 Level of significance ɑ=0.10

Q: The. Nielsen television ratings used a random sample of 2,000 homes and found that 45% of the homes…

A:

Q: An economist is looking to test the claim that monthly average debt payments are greater than $983.…

A:

Q: In a survey of 3,873 adults concerning complaints about restaurants, 1,534 complained about dirty or…

A: b) Given data, n=3873 Loud or distracting diners x=1187 sample proportion p=x/n=1187/3873=0.3065…

Q: A researcher would like to determine if the proportion of households without health insurance…

A: Given information: Household income Yes No Less than $25,000 59 22 $25,000 to $49,999 142 40…

Q: A poll found that 78% of a random sample of 1085 adults said that they believe in ghosts. .***. a.…

A: Solution-: Given: We find margin or error (a) for 99% C.I.…

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A:

Q: In a clinical trial of a certain drug, 27 subjects experience headaches among the 219 subjects…

A: From the given information,

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A: Note- Since you have posted multiple questions, as per our guidelines we are supposed to answer only…

Q: A study analyzed the sustainability behaviors of CPA corporations. The level of support for…

A: The provided information is as follows:The number of senior managers in CPA firms is .The true mean…

Q: State whether each situation has independent or paired (dependent) samples. a. A researcher wants to…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: You would like to estimate the proportion of all residents in favor of a new law with 98%…

A: The sample proportion is 0.30, margin of error is 0.06, and the confidence level is 98%. Computation…

Q: YAn a survey of 458 random households, people take pride in discussing hen methods of environmental…

A: The provided information is n=458x=236α=0.05p^=xn=236458p^=0.515 The critical value is zc=1.96…

Q: A poll asked whether states should be allowed to conduct random drug tests on elected officials. Of…

A: n = 21410 p^ = 0.72 99% ci for p

Q: A poll pertaining to environmental concerns had the following footnote: "Based on a sample of 1,761…

A: Given data: n=1761 Margin of Error , E=0.029

Q: In a study of government financial aid for college students, it becomes necessary to estimate the…

A: Solution: From the given information, confidence level is 0.99 and E=0.05.

Q: A researcher examined the extent of cooperation among kindergarten children. She unobtrusively…

A:

Q: A CNN/Time poll conducted in the United States October 18-20, 2006, asked, "Do you favor or oppose…

A: Given: n=1771,p^=22.2%=0.2220,MOE=1.33%=0.0133 We find level of confidence were they use?

Q: In a study of government financial aid for college students, it becomes necessary to estimate the…

A:

Q: In a study of government financial aid for college​ students, it becomes necessary to estimate the…

A:

Q: In a study of government financial aid for college students, it becomes necessary to estimate the…

A:

Q: Four scenarios of statistical studies are given below. Decide which study uses a population…

A:

Q: In a past presidential​ election, 37,979,113 people voted for Candidate​ A 37,758,117 for Candidate​…

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A: Sample size =1003 Number of US adults surveyed said that get enough sleep =552  We have to find the…

Q: Example:  You would like to construct a 90% confidence interval for the proportion of graduating…

A: Obtain the value of the point estimate. The value of the point estimate is obtained below: Thus,…

Q: In a simple random sample of 1600 young people, 85% had earned a high school diploma. Complete parts…

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Q: Violent crimes include​ rape, robbery,​ assault, and homicide. The following is a summary of the​…

A: Given, the following is a summary of the​ violent-crime rate​ (violent crimes per​ 100,000…

Q: The Bureau of Labor Statistics reports that the official unemployment rate for Black people was…

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Q: Find the sample​ size, n, needed to estimate the percentage of adults who have consulted fortune…

A:

Q: A study analyzed the sustainability behaviors of CPA corporations. The level of support for…

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Q: A quality-conscious disk manufacturer wishes to know the fraction of disks his company makes which…

A: From the provided information, Sample size of floppy disks (n) = 542 Number of defective disk (x) =…

Q: In a study of government financial aid for college​ students, it becomes necessary to estimate the…

A: Assume sample proportion(p^)=0.5margin of error(E)=0.05α=1-0.99=0.01α2=0.005Z0.005=2.58    (from…

Q: The results V significantly V so there sufficient evidence to support the claim that most adults…

A: Here you are given that claim Most adults would not erase all of their personal information online…

Types of Bias

Statistics is the study of data collection, organization, analysis, interpretation, and presentation. Statistical bias is a characteristic of a statistical technique or its findings in which the expected value deviates from the actual root quantitative parameter being estimated. According to the actual definition of bias, it refers to the tendency of a statistic to overestimate or underestimate a parameter.