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(lype integers Or fractons; )Compare the mean of the population the mean of the sampling distribution of the sample mean.The mean of the population (Round two decim...

Question

(lype integers Or fractons; )Compare the mean of the population the mean of the sampling distribution of the sample mean.The mean of the population (Round two decimal places as needed )the mean of the sample means;Do the sample means target the value of the population mean? In general, do sample means make good estimates populaton means? Why or why not?The sample meansthe population mean. In general, sample meansmake good estimates of population means because the mean isestimator:Enter vour answ

(lype integers Or fractons; ) Compare the mean of the population the mean of the sampling distribution of the sample mean. The mean of the population (Round two decimal places as needed ) the mean of the sample means; Do the sample means target the value of the population mean? In general, do sample means make good estimates populaton means? Why or why not? The sample means the population mean. In general, sample means make good estimates of population means because the mean is estimator: Enter vour answer in each of the answer boxes_



Answers

Find the population mean or sample mean as indicated. Sample: 20,13,4,8,10

In this problem, we have been asked to determine the population mean or the sample. Now this problem, a sample is given. The sample has the data points 83, 65 91 87 And 84. Now we can see that a sample has been given. So what we need to determine is the sample. Me. Now, I know that in this sample the number of data points is equal to fight. So the sample mean X. Bar will be well to the some of the numbers in the data points. So that will be 83. That's 65. It's 91. It was 87 x 84, divided by the total number of data points. So in the denominator we have five. So the sum in the numerator is equal to 410 and this is divided by five And 410, divided by five is equal to 82. Hence, the required sample mean is equal to 82. Okay.

In this problem, we have been asked to determine the population mean or the sample mean? And this problem, population is given the data points are 1, 19, 25 15, 12, 16, 28 13 and six. No sense of population is given. We will need to determine the population meat. And in this population we can see that the number of data points is not. Does the population mean? You Will be equal to the sum of the data points? So that is 1-plus 19. just 25 plus 15 plus 12 plus 16, 28 plus 13 plus six. This sum divided by the number of data points, which is equal tonight. So the some in the numerator is equal to 135. We divide this by nine In order to get 50, Hence the required population mean is 15. Yeah.

In this problem we have been asked to determine the sample mean or the population Around this problem of population is given the data points are three, six Ben well And 14. I know that this is given to be a population. So what we need to determine is the population me? No, no. That the number of 80 points in this population is equal to five. Hence the population means you will be equal to the sum of the numbers in the data. So that will be three plus six plus 10. Was 12, was 14 divided by the total number of data points which is equal to froth. Now The some in the numerator is equal to 45 And we divide this by five, so we have 45 divided by five which is equal to nine and hence the required population means in this case is equal tonight.

So for this question, the population is 45 and nine 45 common I and the sample size is too, because you're picking so random, so s o n requested to. And then the first question I want you to figure out, um, the first question wants to figure out the value of the population Media. Andi, mind you, the media is always the media number. When I arrange, the data are not sending order. And from four, five and nine, you could definitely tell that night is meeting number. So definitely, um, the population media, the population media is you go to five. And that's the answer. The second question, You do remember that the two values a randomly selected replacements from 457 on. Um, we're going to write the samples off the possible, um, the possible send the samples of the possible I'm I'm gonna write the samples of the possible outcomes in order to describe the sampling distribution of the sampling. So the samples, the samples would be oh, four comma four, four comma, five for common night, $5 for five form of life and five common night also. No, I come up before night. Come up five and I come tonight so that their nine deny probabilities the problem. Total probabilities equal tonight, right? And then to construct the table for sampling distribution of media who need to find the sample meet media in order to my sugar table. And we know that it Number of probability, easy for tonight. And in order to find the sample media, we're gonna right the sample over a year. And then we're gonna have the samples. The nice samples, which is four come before. Welcome of five. Welcome a night 54 five from of five. Fire from my life. Yes, also night coming for like on the fly in nine Kalmunai on. And then we're gonna find the sample media for each of them in order to finish off the table. So the sample media and we know that the media is the, um the some off the number of divided by the actual number, the actual the total numbers we have. And since we have two figures because we have to, um, we're picking soon numbers the random so is too. And then we have, like, two samples for every samples. So four plus four developed by two is gonna be four. So that's gonna be the something something media four plus five they don't have the right to is going to be 4.5. That's going to be a sample media. The 4.94 point four plus nine when it bites, who is going to be six points? All right, that's sample media. Why, of course, for the bye bye. Service 4.5 on this one is fight. This one is seven seven. Just 16.5. This one several. And this one is night. And then the probability is gonna be the last thing we're gonna do. We know that they're night there, nine on samples. So each release is gonna be one of the night, and that's gonna be answered for the rest of the table. So I'm just gonna click the check. Yeah, and then the question also wants us to combine the values of the media, and they are the same. So combining the values and ideas are the same. We're gonna have a sample media sample media. Yeah, yeah, yeah. We're gonna have sample media. I mean, the other side, we're gonna have to probably t. Yeah. So obviously is gonna be, um, the sample medians from the top. You can see it for four. Um, 4.5, talking five, um, 5.0, 6.5, 7.0. And then I concert. Mhm. Yeah. Anybody with your fault is because one time one of the night. 4.5 focus twice. So overnight five or close ones one of the night. 6.5 occurs twice overnight. The seven because slice until the night. 90 Clockers ones, One of the nine. That's it. The next question wants us to find the mean off the sampling distribution of the sample media and the mean off the sample distribution of the sample begin is going to be is going to be this song. The some off the total, some of the total off the night sample media divided by the number of samples where by a number of samples. And this is gonna be equal. So you adding all of this together the 4456 months, five. The way. I don't have that together. It gives you 54 and the number of samples of nine. And that's Why my night? And that's six. That's the mean off the sampling distribution of the sample median. And the last question, Um, sorry about this. The last question say's, um, based on the preceding results is a sample media unbiased estimator for the population media. The answer is no. The sample media is not unbiased estimator of the population medium because the published So the answer is no, because the population media is no e. Quote the meat off the sub media. Remember, the population medium is the one we solved first, which is on five, and it's not a call. So the median actually the mean of the sample media, okay?


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