Explain what happens when finding the margin of error if all stays the same except the sample size increases.

Q: Explain the intuition for why smaller samples are more likely to have extreme averages

A: Average is given as = sum of observation/number of observation Where number of observation is n (…

Q: reasons why the standard error decreases as the sample size increases .

A:

Q: What is a sample mean? What is a sample proportion? Summarize the notation used for these…

A: Sample mean : It is sum of all observation in the sample divided by total number of observations.…

Q: Explain Bionomial distribution with examples?

A: X~Binom(n , p) =========== Formula : P(X =x) = nxpx(1-p)n-x ; x= 0,1,2,..,n

Q: The margin of error in a research study is indicative of the precision and accuracy of the research…

A: Margin of error is a measure of the extent to which the sample may vary from population.  It is a…

Q: Give real life examples of simple random sampling and stratified sampling

A: Sampling is choosing a part of the total population . It is done to draw inferences about population…

Q: True/False   the sampling distribution of the mean will have the same mean as the original…

A: As standard deviation of the sampling distribution of the sample mean is σnwhich is not equal to σ

Q: The absolute difference between the population mean and the sample mean is called the

A:

Q: Explain the formula for the variance of the sampling distribution of the mean?

A: Central Limit Theorem for mean: If a random sample of size n is taken from a population having mean…

Q: What does sampling distribution describes?

A:

Q: Describe about statistical error.

A: In statistics and inference theory, there are various methods through which estimates of true…

Q: When we standardize using​ Z-scores, the shape of the distribution changes.   True…

A: Changing the values in z-scores does not change the shape of distribution. Clearly if values are…

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

A:

Q: What is Statistical Measure of the Amount of Variation in a Population?

A: Standard deviation: The standard deviation indicates by how much each observation differs from a…

Q: Describe the sampling distribution of the difference between two sample means when large samples are…

A: Sampling Distribution: The sampling distribution of the difference between Two mean shows The…

Q: Define the sampling distribution of the sample mean for normal population when the variance is…

A: Let the sampling distribution of the sample for normal population when the variance is unknown is…

Q: Describe how the distribution of sample means changes as sample size increases. What is the…

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

Q: Describe about the shape of sampling distribution.

A: The underlying distribution of statistic is known as sampling distribution. The collection of sample…

Q: last 20 minutes left thank you!

A: Data analysis refers to the process of gathering relevant information from the given data to make…

Q: If the mean is lower than the median. Describe the distribution.

A: Mean is the average of the set of observations and median is middle most value of the observations.

Q: How is a normal probability plot used to detect outliers?

A: An outlier is an observation that appears to deviate markedly from other observations in the sample.

Q: Explain how a sampling distribution of a sample can be constructed.

A:

Q: Define the sampling distribution of the sample mean for normal population when the variance is known

A: Let sampling distribution for normal population when the variance is known is Nμ,σ2. The sampling…

Q: Describe the sampling distribution of p​, the proportion of people who are satisfied with the way…

A: We have sample of size n=50 and population proportion P=0.6 From the population N=20000  (very…

Q: Describe briefly the multinomial distribution.

A: Solution-: Describe briefly the multinomial distribution.

Q: If the sample size is increased, the margin of error will decrease.   True or False

A: Given statement : " If the sample size is increased, the margin of error will decrease "

Q: What are the examples of Descriptive Statistics?

A: Descriptive statistics summarize the characteristics of a data set.  There are four major types of…

Q: explain normal distribution with examples?

A: The normal distribution is the most important probability distribution in Statistics because it fits…

Q: A population has a mean of 45 If 6 points are added to each score What is the mean for the…

A:

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.