In the 2016 presidential election, most Americans were inundated with poll results, all of which reported a margin of error. Discuss what a margin of error means for poll results. What does it tell us and why is it necessary to include this information in poll results

Q: What two characteristics can an outlier affect?

A: An outlier is an observation that lies an abnormal distance from other values in a random sample…

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A: It is given that the population proportion (prevalence) is 0.397. It is known that the critical…

Q: In order to have a margin of error of 2%, people should be surveyed.

A: we are given that 24% people consider summer as their favourite season (p) = 0.24 to find  number of…

Q: In elementary statistics, how do you calculate class width? I don't understand it.

A: According to the given information in this question We need to find that how we calculate class…

Q: At a drug rehab center 23% experience depression and 38% experience weight gain. 12%

A: Given That, Let 'A' represent patient Experience depression          P(A)=0.23 Let 'B' represent…

Q: Why does Texas have some of the lowest voter turnout statistics in the nation?

A:

Q: In a survey 500 adults were interviewed, 150 said they had early medical checkup. Find the 95% for…

A: Givensample size(n)=500No.of adults said they had early medical checkup(x)=150p^=xn=150500=0.30

Q: In nursing, we seldom know the true values or percentages of many illnesses or syndromes. For…

A: The confidence interval is used to get an interval in which the population parameter (unknown) is…

Q: Explain the consequences of failing to properly account for multiple comparisons

A: Multiple comparisons tests (MCTs) are performed several times on the mean of experimental…

Q: In the year 2020, City A had a population of 200,000. 300 existing cases of colon cancer were…

A: GivenThe population of City A =200000The existing cases of Colon Cancer =300The number of cases…

Q: A report says that the average amount of time a 10-year-old American child spends playing outdoors…

A: A report says that the average amount of time a 10-year-old American child spends playing outdoors…

Q: Nielsen media research determined the precise proportion of all Americans watching the super bowl by…

A: Population is the set of all objects of interest. Sample is a subset of the population. A sample is…

Q: In October 2017, the Gallup Poll asked a sample of 10281028 U.S. adults, "Are you in favor of the…

A: Given, n=1028 Consider that the population standard deviation is σ, the level of significance is α.…

Q: How do the fraction of the total outcomes and theoretical probability compare

A: Theoretical Probability can be defined as mathematical intuition of what possibly could happen. For…

Q: Suppose that the results of a survey show that 35% of people consider summer as their favorite…

A: Critical value: Using the z-table, the critical value at 95% confidence level is

Q: what does the shape of the box imply about the concentration of data? use complete sentences

A: In statistics, the box plots are graphical technique that tells us about the concentration of the…

Q: What is Margin of Error?

A: Margin of error: The margin of error is defined as a statistic that gives the amount of sampling…

Q: What is an outlier?

A: We have to describe the outlier. Outlier can be present in any dataset.

Q: What proportion of Canadians spend between 8 and 16 hours watching Netflix per month? What…

A: Solution

Q: Explain what is a margin of error. Provide an example from daily life.

A: A margin of error explains how many percentage points our statistic results will differ from the…

Q: I want to be sure to obtain a margin of error of ±5 % in a poll asking whether people support…

A: Given information: Margin of Error=+/-5%=0.05 Let level of significance=0.05 Let the proportion of…

Q: ______________ tell us how many observations were recorded, and how frequently each score or…

A: To find:   ______________ tell us how many observations were recorded, and how frequently each…

Q: In 2015, the median family income in the United States was $66,650. (Source: U.S. Census Bureau) If…

A: Given information Median family income = $66650 90th percentile for 2015 four-person family income…

Q: What does the shape of the box plot imply about the concentration of data? Use complete sentences.…

A:

Q: Is the sample mean always the most frequently occurring value? If so, explain why. If not, give an…

A: No, Sample Mean is not the most frequent Occuring Value.   Mean= Sum of Observations / No.of…

Q: Suppose that the results of a survey show that 46% of people consider summer as their favorite…

A: The following information is available in the question

Q: Does it make sense ? Why or why not? A pollster plans to improve survey results by only conducting…

A: A pollster plans to improve survey results by conducting polls in which the margin of error is zero.

Q: Define the term scatterplot?

A: A scatter plot  is a type of plot or mathematical diagram using cartesian coordinates to display…

Q: City crimes records show that 20% of all crimes are violent and 80% are nonviolent. Ninety percent…

A: Given that, city crimes record shows that 20% of all crimes are violent and 80% are non violent.…

Q: A study of damages awarded by judges in civil cases such as injury, factory liability, or medical…

A: Mean is defined as the simple mathematical average computed by dividing total observations by the…

Q: The Census Bureau website gives several choices for "average income" in its historical income data.…

A: Given, The values of incomes in mean and median.       To determine, 1) Explain why mean incomes are…

Q: ABC company, a textile manufacturing company, has recorded defects in their production for a month…

A: Total defects is 55+38+10+5+2 =110 Number of defective in top 3 is 55+38+10 =103.

Q: Here is an illustration of a population survey. Identify what survey sampling method was used and…

A: There are in general 4 survey sampling methods.  Simple Random Sampling: Each member of the sample…

Q: the average score for an entire population is an example of

A: Solution: Parameter: Parameters is fixed value  obtained from a all population or  whole population.…

Q: A recent study attempted to estimate the proportion of Florida residents who were willing to spend…

A:

Q: Online surveys have become common due to the ease of distribution. Discuss how random Internet-based…

A: 1. Online or internet-based surveys have become very popular. The reasons behind the popularity are…

Q: Research that analyzes a portion of an entire population is carried out on a: sample population…

A: Census collects information from each and every member of population. Survey is a restricted method…

Q: A school board has a plan to increase participation

A: Given, a school board has a plan to increase participation in the PTA. Currently only about 27…

Q: What is the percentage of households with an intensified waste management system (dark green)?

A: The objective is to find the percentage of households with an intensified waste management system…

Q: hat is the formula and how to draw the sample if only given with the total population and margin of…

A: From the given information, Section No of students B SMD 1Y1-1 66 B SMD 1Y1-2 52 B SMD…

Q: According to the 2017 Corporate Travel Index compiled by Business Travel News, the average daily…

A: The table below shows the required calculation:- Daily living cost (x) x-x2 242.87 298.996…

Q: Discuss how statistics, as a way of organizing and summarizing data, helped make good decisions when…

A: Statistics is the branch is the branch of applied mathematics in which we do collection, analysis,…

Q: Suppose that the results of a survey show that 41% of people consider summer as their favorite…

A:

Q: For each question, is the data quantitative or qualitative? ii. For each question, is the data…

A: The types of data are Qualitative data: Qualitative data are non-numerical data it is also called…

Q: A point estimate of a population consists of how many numbers?

A: Solution: Point Estimation: Point estimate is type of estimation in a statistics. In  the point…

Q: Explain what each phrase means in the context of inferences for a population proportion. a. Number…

A: a. The phrase “number of successes” means that the number of members from the sample illustrates the…

Q: Explain in detail "Variable Skewed in the Population"?

A: A skewed population is one in which the vast majority of the population members are shifted to one…

Q: time a 10-year-old American child spends playing outdoors per day is between 19.28 and 24.08…

A: Given Data Lower limit = 19.28 upper limit = 24.08

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.