SITUATION: A population of PWD learners in 5 schools in a certain municipality of Cavite City are (x) 9, 5, 6, 12 and 15. Suppose that 2 schools were selected as samples, determine the mean and variance of the sampling distribution of sample mean

Q: Consider the population consisting of the values (6, 8, 9, 12, 15) Find the population standard…

A: The given population consists of the values: 6, 8, 9, 12, 15. The size of the population is, N=5.…

Q: What is meant by sampling frame?

A:

Q: If the distribution of the population is bimodal, then the sampling distribution for the sample…

A: Bimodal means the distribution which has two peaks. Using central limit theorem, the sampling…

Q: A professor wants to examine the difference between means of 2 classes on a recent exam. Which of…

A: We have given the statement  A professor wants to examine the difference between means of 2 classes…

Q: You work at a bank and are asked to recommend the amount of cash to put in an ATM each day. You…

A: The histogram for given data is

Q: The assets (in billions of dollars) of the 4 wealthiest people in a particular country are 38, 35,…

A: Mean is the average value of the observations. If the samples of size 2 is randomly selected with…

Q: How do I find the variance for a sample of 15Numbers given are…

A: Here a sample of 14 data points are given it was mentioned as 15 in question. We need to compute the…

Q: 5. How is the sampling distribution of the statistic x displayed?

A: We have to show how the sampling distribution of chi square displayed.

Q: list all possible sample size of 3 with replacement from the data (1,2,4,5)

A: Given, All possible sample sizes of size 3 are to be taken from 1,2,4,5 with replacement.

Q: The assets (in billions of dollars) of the four wealthiest people in a particular country are 47,…

A: The population values are 47, 33, 17, 16.The samples with replacement have size .The 16 possible…

Q: the stratum (n.) stratum mean 6.49 Stra 81 31 6.77 14 6.5 20 7.25 17 6.76

A: Population total is estimated by summing individual estimates of the total estimated for each…

Q: The basketball team has four players who can play the center position. Their heights (in inches) are…

A: a) Create a table representing the following: The first column will represent the sample number.…

Q: Suppose you want to evaluate if there is a difference in population mean ages for Titanic passengers…

A: To check :      H0 : μ1 - μ2 = 0  vs   H1 : μ1 - μ2 ≠ 0 where,  μ1 : Population mean of ages of 1st…

Q: Suppose that researchers are interested in determining if the proportion of tigers in Siberia with…

A: We have given that the statement about to the proportion.

Q: The University of Sultan Qaboos Administration decided to choose a random sample from three…

A: Number of training hours for statistics section 40,28,30,35,40,48,51,38,35,33,42,50,40,55,47. Number…

Q: The assets (in billions of dollars) of the four wealthiest people in a particular country are 44,…

A: Solution:  Given : Population = 44,28,24,26 Population size(N) = 4 sample  size ( n)     = 2 and…

Q: Suppose an instructor wants to know the average height, gender distribution, academic performance…

A: Given that an instructor wants to know the average height, gender distribution, academic performance…

Q: A population consists of five numbers 0, 2, 4, 6, 8 a) List all possible samples of size 2 that can…

A: The population is the set of all the possible values and the sample is the subset of the…

Q: If a population of scores is normally distributed and if samples taken from this population have a…

A: Given : If a population of scores is normally distributed and if samples taken from this population…

Q: A researcher wanted to know the average screen time (in hours) Of the students using cellphone.…

A: Given : Pop. size (N) =  4  4 , 5 , 6 , 7 Sample size (n) =3

Q: [11] Consider a population of college students with 4 different age groups: 18, 20, 22, 24, 26.…

A: Sample in economics means the small portion of the population that we take for analysis and…

Q: Three randomly selected households are surveyed the numbers of people in the household or 14 and 10…

A: Given, 1,1 1,4  1,10 4,1 4,10 10,1 10,4 10,10 Median: x¯Md=n+12thobservation

Q: The  marks obtained out of 45 by 20 students of a class in the prelim exam are given below: 33, 40,…

A: The given data is: 33, 40, 17, 8, 29, 11, 21, 3, 16, 44, 11, 23, 10, 9, 37, 37, 25, 41, 20, 3

Q: egen Hetegram A Hatogram 1. Using the sampling distribution shown in Histogram A, how likely are…

A: Observe the frequency corresponding to the given proportion in the histogram A, to decide the extent…

Q: how does the sampling distribution of means for a sample with N = 5 differ from that of  a sample…

A: Given: sampling distribution of means for a sample with N = 5 differs from that of a sample with N =…

Q: Construct the sampling distribution of the mean based on all possible samples of size n = 2, drawn…

A: From the given information, the population units are 1, 2, 3, 4. We need to select samples of size…

Q: (a) Why is the sample not guaranteed to be a representative sample with respect to the classes of…

A: Given Information: A trainer is interested to study the training programs used by competitors to…

Q: (b) In a class of 15 students, the coursework marks for all the students are as follows: 15 47 34 46…

A: For the given data Find ( i) Mean ( ii ) Sample mean and sampling error

Q: 54, 57, 60, 61, 62,63,67 From the set of population, list all possible samples of size 4 and…

A: Population contains all the possible outcomes and sample is a subset of the population.

Q: Suppose it is known that among all people who went trick-or-treating, 37.3% also visited a haunted…

A: Given information: The percentage of the people who visited a haunted attraction is 37.3%. The…

Q: Five gentlemen went to Molesky's restaurant for all-you-can-eat wings. Mr. Andreasen ate 6 wings,…

A: Given Solution:

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.