Which of the following definitions is not correct a. A sample is a subset of the population that is used to represent the whole population b. Strata are smaller groups of the population formed based on the size of the sample relativ to the population. c. A stratified random sample is a population sample that requires the population to be divided into strata so that random samples can be taken from each stratum. d. Apopulation consists of all members of a defined group that possess specific characteristics that you are interested in studying

Which of the following definitions is not correct a. A sample is a subset of the population that is used to represent the whole population b. Strata are smaller groups of the population formed based on the size of the sample relativ to the population. c. A stratified random sample is a population sample that requires the population to be divided into strata so that random samples can be taken from each stratum. d. Apopulation consists of all members of a defined group that possess specific characteristics that you are interested in studying

Name: Which of the following definitions is not correcta. A sample is a sub
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Description: Which of the following definitions is not correcta. A sample is a subset of the population that is used to represent the whole populationb. Strata are Smaller groups of the population formed based on the size of the samplerelativeto the population.c

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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4. In order to find the mean for grouped data, it is necessary to: a) Find the sum of the frequency multiplied by the class mid-point for each class interval, then divide by the total frequency b) Find the sum of the frequency multiplied by the class upper boundary for each class interval, then divide by the total frequency c) Find the sum of the frequency multiplied by the class lower-boundary for each class interval, then divide by the total frequency d) Find the sum of the frequency multiplied by the class mid-point for each class interval, then divide by sum of the class mid-points.
Below are graphical representations of two different samples, with the sample size indicated, from two different populations. For which of the two samples would it be safe to construct a t-interval? A) Sample A only B) Sample B only C) Samples A and B D) None of the samples E) Not enough information is given.
Let p be the population proportion for the following condition. Find the point estimates for p and q. A study of 4115 adults from country A, 2195 think mainstream media is more interested in making money than in telling the truth. The point estimate for p, p, is nothing. (Round to three decimal places as needed.) The point estimate for q, q, is nothing. (Round to three decimal places as needed.)
2. Which of the following statements are false? A. In enumerative studies, interest is focused on a finite, identifiable, unchanging collection of individuals or objects that make up a population. B. "All companies listed on the New York Stock Exchange" is an example of a sample. C. A sampling frame is a listing of the individuals or objects to be sampled. D. "All possible yields (in grams) from a certain chemical reaction carried out in a laboratory" is an example of conceptual or hypothetical population.
Consider the following population of ten digits: 0, 1, 2, 3, 4, 5, 6, 7, 8, and 9. a. Find 3 random samples of the five digits from the list. Record the elements of each sample. b. find the arithmetic average of each sample. (Hint: to find the average, sum the data enteries and divide the sum by the number of enteries in the sample.) there is a line over each of these x1 = x2= x3= c. comment on how your results compare with the average of the entire population.
A) minor mode b) major mode c) median d) mean
Let p be the population proportion for the following condition. Find the point estimates for p and q. A study of 4212 adults from country A, 2241 think mainstream media is more interested in making money than in telling the truth. The point estimate for p, p, is (Round to three decimal places as needed.) The point estimate for q, q, is. (Round to three decimal places as needed.)
Let p be the population proportion for the following condition. Find the point estimates for p and q. A study of 4407 adults from country A, 2801 think mainstream media is more interested in making money than in telling the truth. The point estimate for p, p, is (Round to three decimal places as needed.) The point estimate for q, q, is. (Round to three decimal places as needed.)
a) choose one Class A Class B Both had the same median b)choose one Class A Class B Both had the same IQR c)choose one Class A Class B both had the highest score d) choose one Class A Class B both had the same range
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Suppose on a sample of Montanans it is found the mean salary is equal to 30,000. When we use a statistic like this to simply describe a sample, this is an example of: a) an inferential statistic b) a descriptive statistic c) a sample median d) random sampling e) b and c