A sociologist wants to know the proportion of adults with children under the age of 18 that eat dinner together 7 nights a week. A simple random sample of 1, 122 adults with children under the age of 18 was obtained, and 337 of those adults reported eating dinner together with their families 7 nights a week. a. Identify the population of interest. b. Identify the sample of interest. What is the sample size?

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

Q: Suppose a random sample size of 60 is taken from a population with p = 0.51. What is the mean of…

A:

Q: Find the mean of the set of data below and construct a sampling distribution, without replacement…

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A:

Q: A biology professor claims that, on the average, 20% of her students get a grade of A, 30% get a B,…

A: The hypothesis is, Null hypothesis: H0:pA=0.20,pB=0.30,pC=0.25,pD=0.15,pF=0.10 Alternative…

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A: Given, N= 100 P= 0.40

Q: Compute the mean of each sample and the mean of the sample means.

A: The sample mean for each sample can be calculated as Mean = Sum of observations/Sample size.

Q: Given the following data: 247, 113, 4, 29, 89 what is the class size of the distribution?

A: We can find the class size as below

Q: . A researcher wishes to find out whether or not there is significance difference the monthly…

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Q: a). At 5% level of significance, is there evidence to support the board’s intention? Your conclusion…

A: The provided information is n1=150 , n2=225x1=93, x2=126α=0.05 The hypothesis are Ho:p1=p2H1:p1≠p2…

Q: Given 1,400 freshmen students with 600 male students and 800 female students, describe the way you…

A: The population is of freshmen students =1400The number of male students in  Strata-1 =600The…

Q: Of these visitors, the first 10 people to check out books lived the following miles from the…

A:

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

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Q: For the sampling distribution of the mean, o = o. O True O False

A: From the provided information, Sampling distribution of the mean σx̄ = σ

Q: Find the point estimate of the true proportion of people who wear hearing aids if, in a random…

A: It is an important part in statistics . It is widely used in all statistical procedures .

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A: Given information: No. of variable=02  Variable (X)= Neckline (cm)Variable (Y)= Waistline (cm)No. of…

Q: If the sample size is n=16 what is likely true about the shape of the population?

A: Solution:  Central limit theorem: The central limit theorem state that as the sample size increases…

Q: In acceptance sampling, usually 100% of the incoming lot is checked. True or False

A: Acceptance Sampling: It is concerned with decision related to acceptance of the lot.   There are…

Q: The proportion of all passenger who experiencing flight delay is sample statistics and can be…

A: Solution

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A: Hello! As you have posted more than 3 sub parts, we are answering the first 3 sub-parts.  In case…

Q: The average family size was reported as 3.18. A random sample of families in a particular school…

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Q: For a sample of n=16 scores, how many scores are used to calculate the sample variance?

A:

Q: As the newly hired manager of a company that provides cell phone service, you want to determine the…

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Q: For a sample of n=15 scores, how many scores are used to calculate the sample variance ?

A: Given that : For a sample of n=15 scores, how many scores are used to calculate the sample variance…

Q: Consider the sampling distribution of the sample mean x.

A:

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Q: 4. Find the point estimate of the proportion of people who wear hearing aids if, in a random sample…

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Q: Which of the following is a random sample? A A survey company asks radio station listeners to call…

A: A simple random sample is a subset of a statistical population in which each member of the subset…

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Q: To find out approximately how many hours its residents are spending playing cards at a senior…

A: The data is = 12, 3, 5, 9, 11, 4 So there are 6 elements.

Q: Which of the following sampling methods was used in the study described below?  A researcher is…

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Q: If a population has a mean of 12.8, what is the mean of the sampling distribution? A. less than…

A:

Q: Sketch the sampling distribution of xand calculate the probability that the sample mean will be…

A: here given, sample size n = 250 population mean and standard deviation is as follows  μ = 188and…

Q: Based on this sample, how many of the 62,000 books in the collection should Mr. James expect to have…

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Q: Below you are given the values obtained from a random sample of 4 observations taken from a normal…

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Q: From a Population consisting of following values of 2,2,4,4 and 8, how many samples of size two can…

A: The population size is N = 5 Sample size is n = 2

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Q: Find the mean for the given sample data. Unless other The students in Hugh Logan's math class took…

A: The formula of the mean is:

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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.