3) A report on the nightly news broadcast stated that 10 out of 108 households with pet dogs were burglarized and 22 out of 210 without pet dogs were burglarized. What is the pooled proportion? (Show how you set up and calculate this proportion.)

Q: When a population distribution is moderately skewed, unimodal, without outliers?

A: The sampling distribution of the statistic is said to be symmetric if any of the following…

Q: In 1950​, an organization surveyed 1100 adults and​ asked, "Are you a total abstainer​ from, or do…

A: Given data,   x1= 396                                                  x2= 319 n1=1100…

Q: Suppose that you conduct a hypothesis test for a proportion using a sample size of n=50 and you…

A: Answer: As sample increases  the p-value decreases.

Q: In 1945, an organization surveyed 1100 adults and asked, "Are you a total abstainer from, or do you…

A: Solution: Given information: n1= 1100 Sample size of adults in 1945 survey  x1= 352 adults indicates…

Q: Why is it important for the researcher to use probability sampling methods?

A: For a sampling method to be considered probability sampling, it must utilize some form of random…

Q: Design a single sampling plan given p1=0.05, p2=0.15, producer's risk = 0.05, and consumers' risk =…

A:

Q: (b) Has the proportion of adults who totally abstain from alcohol changed? Use the a = 0.10 level of…

A: Here it is given that , of the 1100 adults surveyed, 352 indicated that they were total abstainer.…

Q: When a researcher who is studying "serious tennis players" asks 200 people if they qualify as this…

A: In the following problem Convenience Sampling is to be used

Q: A 2015 Gallup poll of 1,627 adults found that only 22% felt fully engaged with their mortgage…

A: Here the sample size is number of adults.

Q: In 1940, an organization surveyed 1100 adults and asked, "Are you a total abstainer from, or do you…

A: Let p1 represents the population proportion of 1940 adults who were total abstainers and p2…

Q: Identify the type of sampling technique used by the researcher in each of the following situations.…

A: We have given the following statement about the sampling  technique.

Q: What is the standard error for this problem, not using the pooled values

A: From the given information we find the standard error without using pooled value.

Q: Explain the concept ofrepresentative sampling.

A: Representative sampling: A representative sample is a subset of a population that seeks to correctly…

Q: You timed every kth dog grooming session over the course of a month, which resulted in 35 timed…

A: Hello! As you have posted 2 different questions, we are answering the first question. In case you…

Q: To gauge public opinion about the opening of businesses and services, a regional health agency…

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

Q: What does the true sampling distribution serves?

A:

Q: In a simple random sample of size 76, there were 34 individuals in the category of interest. Compute…

A: Given: Sample size (n) = 76 Let x be the number of individuals in the category of interest

Q: in your own words, What is sampling distribution? Give example

A: Population is the complete set of people or objects with certain common characteristics under the…

Q: In a survey of 671 subjects, each was asked how often he or she watched TV. The survey subjects were…

A: Voluntary response sampling: In voluntary response sampling, the respondents select themselves into…

Q: In 1942 ​, an organization surveyed 1100   adults and​ asked, "Are you a total abstainer​ from, or…

A: The proportion of considered subjects, on which we are interested from a sample can be termed as…

Q: When would you use purposive and representative sampling?

A: Often a researcher does a random sampling which includes people from every background and demography…

Q: In conducting a statistical study about the number of hours full-time students work at Miramar…

A:

Q: Although Nielsen Media research determined the precise proportion of all Americans watching the…

A: Given : Nielsen Media research determined the precise proportion of all Americans watching the super…

Q: what is meant by the term “sampling distribution” ?

A: A sampling distribution is a probability distribution of a statistic obtained from a larger number…

Q: In 1945, an organization surveyed 1100 adults and asked, "Are you a total abstainer from, or do you…

A: Let, X1= number of abstainer in the previous test n1= total sample size of the past test p1^ =…

Q: In 2010, a survey was given to 822 teenagers, aged 13 to 17, randomly selected by the allup Poll.…

A: Solution: Given information: n= 822 Sample size p^=0.84 Sample proportionq^= 1-p^=0.16 Assume level…

Q: In how many ways can a statistician select a sample of 15 people from a population of 90 people?

A: Given,A statistician select a sample of 15 people from a population of 90 people.

Q: 2. There were a variety of random sampling techniques introduced in this chapter including:…

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

Q: In acceptance sampling, if the number of defects in a sample is less than or equal to the acceptance…

A: In acceptance sampling, if the number of defects in a sample is less than or equal to acceptance…

Q: What is the notion of sampling distribution?

A:

Q: In 1941​, an organization surveyed 1100 adults and​ asked, "Are you a total abstainer​ from, or do…

A: In 1941​, an organization surveyed 1100 adults and​ asked, "Are you a total abstainer​ from, or do…

Q: A geography student in Parkville, Missouri is conducting a housing survey, including questions about…

A: It is given that she knows that about 38% of the people in Parkville live in apartments, and wants…

Q: The Los Angeles City Controller's office calculated that in 2013, the city employed 4703047030…

A: Given: 2013 Number of full time employees = 47030 Number of part time employees = 10142 p denotes…

Q: 4. Out of 450 randomly selected people in a soccer match, 225 of them were students. Compute the…

A: 450 people are selected randomly; n=450 225 of them were students; x=225

Q: What is mean of the Sampling Distribution of the Mean?

A:

Q: In the textbook, a sampling distribution can be regarded as approximately normal when which…

A: Answer:-  Sampling data can be regarded as approximately normal when this conditions met:-

Q: 5. How is the sampling distribution of the statistic displayed?

A: We have to find that  The sampling distribution of chi square Statistic :

Q: A poll found that 83% of people out of a survey of size 127 watch at least three hours of TV per…

A: Given: A poll found that 83% of people out of a survey of size 127 watch at least three hours of TV…

Q: Explain the four different types of sampling and give an example of each.

A: Different types of sampling methods with examples.Types of random samplings(1) Simple random…

Q: In 1949, an organization surveyed 1100 adults and asked, "Are you a total abstainer from, or do you…

A: We have to find null and alternate hypothesis.

Q: Make your own example of mean of a sampling distribution. Also, construct the sampling distribution.

A: Concept of sampling distribution of sample mean: Let a particular characteristic of a population is…

Q: 3. In your own words, thoroughly explain how a sampling distribution of a sample can be constructed

A: Sampling Distribution: Sampling distribution describes the manner in which a statistic or a function…

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: From a population of 300 you are going to select 50. Using the systematic sampling technique where 5…

A:

Q: For a nuclear reduction plan, to compare the approval rate from people with college degrees and the…

A:

Q: suppose you select a simple random sample of 75 douglas college student and you find that 8 are left…

A: It is given that the sample size n is 75 and x is 8.

Q: when a population distribution is symmetric, unimodal, without outliers?

A: The t-distribution can be used with any bell-shaped distribution statistic (i.e., approximately…

Q: In one particular rainforest in Tasmania, it has been found that 70% of the trees are eucalyptus…

A: The categorical variable is trees, it has 3 types. Those are eucalyptus trees, Australian black wood…

Q: The Russel Reynold Association surveyed retired senior executives who had returned to work.  They…

A: