1. Find the sample size required from a population of 10,000, given a margin of error 5%. Use Sloven's formula. Distribute the sample size obtained in item 1 as classified to the following strata; Class A 500 Class B 2,500 Class C 3,000 Class D 4,000 2. Find the mean of the set of data below and construct a sampling distribution using Step without replacement and repetition, by selecting 3 samples at a time.

Q: Suppose the age distribution in a city is as follows. Under 18 20% 18–25 18% 26–50 32% 51–65 8%…

A: Given that, Sample size, n= 300 So we can find the number of people for every class Interval by…

Q: Find the mean of the sampling distribution of sample means using the given information. Round to one…

A: Here, mean is 44 and standard deviation is 8. Sample number is 49. We will use sampling…

Q: CLASS 6-10 11-15 16-20 21-25 26-30 TOTAL FREQUENCY 7 18 20 17 8 70

A: Given Total frequency 70

Q: Tartus Industries has seven production employees (considered the population). The hourly earnings of…

A:

Q: Calculate and report the standard error for the sampling distribution of (the difference between two…

A:

Q: Suppose the age distribution in a city is as follows. Under 18 26% 18–25 16% 26–50 32% 51–65 8%…

A: We have to find no. Of people from each sample required.

Q: 1. Find the sample size required from a population of 10,000, given a margin of error 570. Use…

A: Population Size N=10000 Margin of Error e=0.05 We have to find required sample size from population.…

Q: 1. Using the stratified sampling technique, compute for the sample size at a 5% margin of error for…

A:

Q: Use the data in Problem 1 and pool the data across the treatménts into one sample of size n = 250.…

A: Null Hypothesis: H0: The distribution of the percent wound healing is not approximately normal.…

Q: digits 1, 4, 5, and 9, construct the sampling distribution of the sample mean a) With a sample size…

A:

Q: Suppose a simple random sample of size n=200 is obtained from a population whose size is N 20,000…

A: It is given that n=200 and p=0.6.

Q: The following are the heights of four students in centimeters. Suppose samples of size 2 are taken…

A: Let all possible random samples of the same size are considered that have been drawn from the same…

Q: Which of the following formulas is used to compute the mean of the sampling distribution of the…

A:

Q: Calculate skewness by using Pearson method for the following distribution: Classes 15-19.4 20-24.4…

A: Calculations:     continuous CI freq cumulative frequency X fX fX2 14.7-19.7 10 10 17.2 172…

Q: Construct the sampling distribution of the sample mean for the following population and with the…

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Q: A sample of size 3 is taken from a population of the number of students in each class of Grade 9…

A: Given, n = 3 No. of students 25 30 35 40

Q: No matter what the shape of the parent population is, as long as our sample size is 10 or greater,…

A: formula for calculating Margin of error is ME = ( upper limit - Lower limit )/2

Q: or a sampling distribution of p with sample size n, taken out of a population of size N

A: Given that  Sampling distribution of p^ Sample size = (n)  Taken out from the population of size N.…

Q: Suppose a simple random sample of size n=75 is obtained from a population whose size is N=30,000 and…

A: Since the sample size is large, According to the central limit theorem (CLT) the shape of the…

Q: Complete the following table. Sample (2,2) (2,4) (2,6) (2,8) (4,4) Number Mean x X- Hx 1 3 4.…

A: The sampling distribution of sample mean is generated by drawing repeated samples of equal size n…

Q: Suppose a simple random sample of size n=200 is obtained from a population whose size is N=15,000…

A:

Q: 2) Given the table below, find the sample units per strata for a sample of 325 students Courses Year…

A: Given:   Courses Year Level Number of students Male Female Biology First 20 46   Second 15…

Q: Suppose the age distribution in a city is as follows. Under 18 22% 18–25 18% 26–50 34% 51–65 8%…

A: The sample size is 250.

Q: Suppose the age distribution in a city is as follows. Under 18 26% 18–25 16% 26–50 34% 51–65 10%…

A:

Q: Suppose the age distribution in a city is as follows. Under 18 24% 18–25 18% 26–50 34% 51–65 10%…

A: n= 350 We can create a table for the given data.

Q: Suppose a simple random sample of size n= 50 is obtained from a population whose size is N= 30,000…

A:

Q: Suppose a simple random sample of size n= 200 is obtained from a population whose size is N= 30,000…

A: (b)   Obtain the probability of sample proportion is greater than 0.84.   The probability of sample…

Q: Consider a population of 6 vehicles. The speed of the vehicles on a particular stretch of roadway…

A: 6. Here we need to construct a sampling distribution of the sample means for samples of size n = 3.…

Q: Answer these questions regarding the sampling distribution of the sampling mean. a) x = 46, m x =…

A: a)   Given that x = 46, mx= 50, sx = 6, n=15.   Consider, Thus, sx-bar=1.5492   b)   Given that, m…

Q: 18. According to data from the United States Elections Project, only 36 percent of eligible voters…

A: Given that, Check the conditions: Since the conditions are satisfied, the sampling distribution of…

Q: Suppose a simple random sample of size n= 200 is obtained from a population whose size is N= 30,000…

A: Given,p=0.8n=200

Q: when doing planned comparisons ? A. a different sampling distribution is used to correct for the…

A: Type-I error: Type-I error is rejecting the null hypothesis H0, when the null hypothesis H0 is true.…

Q: The following data consist of the present school enrollment of the Dr. Vesse High School. A study on…

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Q: Compute the population variance  for the following sample data, assuming the sample comprises the…

A:

Q: Find the mean of the sampling distribution of sample means using the given information. Round to one…

A: Given,mean(μ)=59standard deviation(σ)=10sample size (n)=36

Q: Given a population of safety records (incidents per year) in 2007 for employees of a large…

A: Sampling distribution: Let us say, if we have a population and want to study about the population we…

Q: Find the estimated standard error for the sample mean for each of the following samples: a) n= 9…

A:

Q: Assuming you have data for a variable with 2,000 values, using the 2K > n guideline, what is the…

A: 2 to the k rule: Consider that k is the number of classes and n is the number of observations. Now,…

Q: Given a population of returns on endowment for private universities in one fiscal year, indicate…

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Q: Table 1: A random sampling of 30 homes in the Winston-Salem area. Price Size (single- or…

A: Given information: Price ($) 178900 218000 239900 142000 183200 279600 199900…

Q: Given the following sampling distribution:X 0 3 7 14…

A: Given probability distribution of a sample as shown belowHere we know that sum of all probabilities…

Q: A particular brand or dishwasner soap is sold in oz, and 70 oz. Twenty percent or purchasers select…

A: Given Information: The possible values of x are: 25, 30, 70 with probabilities 0.20, 0.50, 0.30…

Q: table 1 gives flight arrival numbers from a random sample of flights for airlines.  Airline 1  early…

A: From the given information, the number of flights arriving late in Airline 1 (x1) is 150 and the…

Q: For each of the following rejection regions, sketch the sampling distribution for z and indicate the…

A: Hey, since there are multiple subparts posted, we will answer the first three subparts. If you want…

Q: Suppose a simple random sample of size n= 125 is obtained from a population whose size is N= 30,000…

A: Given: n=125 N=30000 p=0.6

Q: Consider the following population frame of 50 students, wherein each number corresponds to a…

A: Given, Systematic sampling: Systematic sampling is defined as a method of sampling in which, at…

Q: Suppose a simple random sample of size n= 50 is obtained from a population whose size is N= 10,000…

A: The mean of the sampling distribution of the sample proportion . The standard deviation of 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.