1.if the population of ABM students of malaya integrated High School has a mean of 12.45, what is the mean of the sampling distribution of its mean?

Q: find the sample variance for following data set using xi and xi^2 in shortcut formula... 20.2, 21.8,…

A: Here, we need to find the sample variance of the given data using the shortcut formula. Shortcut…

Q: n by age group (this means to calculate the relative frequencies after separating the data based on…

A: Under 30 30-39 40-49 50 and over Promoted 16 22 26 15 Not-promoted 38 39 45 38

Q: For a particular jelly bean manufacturing company it is known that 50% of all jelly beans produced…

A: We have to find out the mean of the sampling distribution of the sample proportion...

Q: What are requirements for testing a claim about a population mean with a known?

A:

Q: What formula is used to gain information about a sample mean when the variable is normally…

A: Sample size: It is the number of observations in a sample under consideration. By increasing the…

Q: Ccording to researchers, the mean lengtn of imprisonment for motor-venicle-theit offenders in a…

A: Solution: Given information: n= 100 Sample size  x= 16.4 months Sample mean μ=15.8 months…

Q: 9. Under what circumstances will the distribution of sample means be normal?

A:

Q: When working with the sampling distribution of a sample proportion, what do we need to require to…

A: Sampling Distribution of a Proportion There are several ways to calculate the sampling distribution…

Q: A company manufacturers batteries in batches of 29 and there is a 3% rate of defects.  Find the mean…

A:

Q: The mean number of sick leave days that an employee of a company takes per year is believed to be…

A: We have given that The data and the data are 8, 6, 8, 11, 12, 4, 15, 3

Q: Distinguish between a distribution of sample means and a distribution of sample proportions.

A: Distribution of sample means and sample proportions are obtained.

Q: What are the steps for finding the relative frequency of sample means above or below a specified…

A: Frequency distribution: The number of times each value of X repeats is the frequency of that…

Q: what is the sample variance and standard deviation of 21​,16​,3​,9​,11

A: The formula for sample variance and standard deviation is given by:

Q: If it is known that a town with population 30,000 had 3,170 people who drive a Prius hybrid vehicle.…

A: Solution: The proportion of population who drive a Prius hybrid vehicle is From the given…

Q: what is the distribution of sample means exactly?

A: Sample is basically a group of entity which is taken from a large population. Generally analyzing a…

Q: 2. Suppose the weight of fish caught from the Santa Monica Pier is normally distributed. From a…

A: Given:true (population) mean µ = 24sample size n =20sample mean x̄ = 22sample variance s2 =…

Q: Suppose I want to know how many primary care physicians (PCPs) that Americans have had in their…

A: Given data : 1,3,4,6,10,3,2,1,14,11 Arrange in ascending order 1,1,2,3,3,4,6,10,11,14

Q: The sampling distribution of the mean will have the same mean as the original population from which…

A:

Q: Develop a basic understanding of the properties of a sampling distribution based on the properties…

A: The properties of sampling distribution are:

Q: If the sample size (n) and probability of success (p) are given, which equations are used to…

A: 1) Given,Sample size = n (fixed)Probability of success = p (for each trial).So, probability of…

Q: The mean and variance of a sample of 25 data items are 78 and 100, respectively. Use Chebyshev's…

A:

Q: In a distribution plot, if mean is much smaller than median, does the underlying sample have very…

A: Outliers- It is an observation or a value that lies outside from the population or which is far away…

Q: 1. True or False The sampling distribution of the mean will have the same mean as the original…

A: We have to find out given probabiity..

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.