Determine the sample size if o = 6, population mean = 25, sample mean = 23 and the desired degree of precision is 99 per cent?

Q: Based on the histogram above, what is the class width? Class width = %3D What is the sample size?

A: Given,

Q: Find the estimated standard error for the sample mean for n = 12 and SS = 3463. Nearest hundredths…

A: We have given that  Sample size n= 12 SS= 3463

Q: You need to test a claim that more than 18% of students at your campus do not know their blood…

A: Thanks for giving opportunity to serve for bartleby students, Hey, There ! Thank you for posting…

Q: The required sample size equals:

A: It is given that, H0: μ = 13.50 Vs. H1:  μ>13.50. The sample mean based upon some sample size =…

Q: Explain Prerequisites of Sampling Distribution of the Mean?

A: The sampling distribution of the sample mean, X̄, based on a sample of size n, taken from a…

Q: What is the difference between sample means and a distribution of sample proportions?

A: Given : Sample mean : Average of sample observations is known as "sample mean". Sample proportion :…

Q: isn't the sample size should be 35, not 12?

A: We have given that the information presented by the tutorial school related to the IELTS  mock…

Q: Among 1815 randomly selected high school students surveyed by the Centers for Diseases Control, 300…

A: Given X=300 n=1815

Q: Why is a sample proportion generally used to estimate a population proportion instead of obtaining…

A: Population proportion: The proportion that is calculated from the population which has a specific…

Q: A point estimate for the sample mean is: (select one) O ME, Margin of error Oz, Z – score - Os,…

A: A single-valued best estimate of an unknown population parameter which is obtained using sample data…

Q: To study the mean blood pressure of all people in her state, Christine samples the population by…

A: Convenience sampling can be defined as the method of sampling in which the researcher selects the…

Q: What is the formula to be used to determine the total possible random samples?

A: Let the population size be N Sample size be n

Q: Determine the sample size if o 6, population mean = 25, sample %3| mean = 23 and the desired degree…

A:

Q: What sample size should you gather to achieve a 0.7 hour margin of error?

A: here given , population standard deviation  = 4.2 hour  confidence level = 99% MOE  = 0.7

Q: Explain why populations are sampled and describe four methods to sample a population.

A: The population consists of all the data points and usually populations are very large. A sample is a…

Q: In order to estimate the population proportion with a high school education,  you need a minimum…

A:

Q: ucled a survey among randomly selected target market households and wanted to be 99% confident that…

A: Let us assume sample proportion (p^)=0.51-p^=1-0.5=0.5α=1-0.99=0.01α2=0.025Z0.025 =2.58 (from…

Q: I am doing a survey and want to know how many siblings each participant has. Participant 3 leaves…

A: Introduction: Consider that there are n participants in the study. Each participant is asked how…

Q: find sample coefficient of variation   5,6,8,8,9,11,15

A: Given data is5,6,8,8,9,11,15

Q: Describe the sampling distribution of the difference between two sample means large samples.

A: Our aim is to describe the sampling distribution of the difference between two sample means.

Q: What is formula for Mean of the Sampling Distribution of the Mean?

A:

Q: What test can we use to determine the sample size needed?

A: Confidence intervals for a parameter take the following general form: Point Estimate ± Margin of…

Q: Determine the sample size if o 6, population mean = 25, sample mean = 23 and the desired degree of…

A:

Q: We would like to determine the average height of the overall student body at Michigan State…

A: Yes, It is necessary to take a sample from the overall student body.

Q: If a manufacturer conducted a survey among randomly selected target market households and wanted to…

A: From the provided information, Margin of error (E) = 6% that is 0.06 Confidence level = 95% The…

Q: What is formula for sample mean?

A: The sample mean is also known as the average of the sample. The sample mean is a measure of central…

Q: Find the 5th and 95th percentiles for average temperatures from a group of 106 people using the…

A: The pth percentile of a set of observations is the value below which, p% or (p/100) proportion of…

Q: What are the seven major steps involved with sampling?

A: The seven major steps of sampling is given below:

Q: What is the population, sampling unit, sampling frame?

A: The population is the entire group of individuals or items the researchers intended to study. The…

Q: To study the mean blood pressure of all people in her state, Christine samples the population by…

A:

Q: what sample size should be used?

A: Given :  Margin of error=E=3%=0.03 Significance level=α=0.05 Since , the estimate of the population…

Q: nple size = 120 5. Claimed proportion = 0.7, Sample proportion = 0.68, sample size = 30

A: Given: Claimed proportion ,p=0.7 Sample size, n=30 Sample proportion,  p^=0.68

Q: Is the sample size of survey is multiplied by 100, then by what factor is the margin of error…

A: Solution

Q: What is the target sample size for a population of 3,500 people with a standard value of 1.65 and a…

A: Solution-; Given: N=3500, Standard value (V)=1.65,sampleing error (Se)=0.10 We find the target…

Q: The BLS uses sampling for its National Compensation Survey to report employment costs. In its second…

A:

Q: 1. How many samples must be considered from a population of 28,000 students, if 5% margin of error…

A:

Q: What is sample size?

A: In this case, we need to define the sample size.

Q: In order to study the mean blood pressure of people in his town, Richard samples the population by…

A: We know that stratified sampling involves dividing the population into groups and randomly selecting…

Q: Describe the EFFECT OF SAMPLE SIZE.

A: In general, large sample size is required to get more precision of data. Sample size plays important…

Q: What is the Importance of Equal Sample Sizes?

A: The t-test and ANOVA assume that the sample sizes are equal. There is an importance that the two…

Q: What are the practical Reasons for learning how to use the formula in determining sample size?

A: The two major factors affecting the power of a study are the sample size and the effect size A…

Q: Obtain the standard error of difference of sample proportions.

A: ANSWER: For the given data,

Q: 2 Considering the 5800 enrollees in the College of Education, a researcher would like to make a…

A:

Q: What is an example of a stratified sample? How can you tell when appropriate to use a stratified…

A: When the population is divided into small samples of interest then these are called strata and the…

Q: To estimate the population mean µ with a 85% error margin of 2.5 units, 10) one has determined that…

A:

Q: he required sample size is. Round up to the nearest whole number as needed.)

A: It is given that confidence level is 0.98, population standard deviation is 17.8 and the margin of…

Q: What is the symbol for the best point estimate for the true proportion? What is the symbol for the…

A: A point estimate is defined as the single value that is calculated from the sample data to estimate…

Q: Explain why increasing the sample size tends to result in a smaller sampling error when a sample…

A: Sampling error:When a sample is used to estimate a population characteristic, the error resulting is…

Q: What does the SEM value tell us about the magnitude of sampling error?

A: Introduction: Suppose a random sample of size n is taken from a population with mean μ and standard…