Homework Answers
we know that in without replacement case we cannot select same thing / item more than once .
n = 3 and two observations are selected
possible samples = 3 *2 = 6
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Question 28 1.5 pts You use simple random sampling without replacement to select 2 observations from...
Simple random sampling uses a sample of size n from a population of size N to...
Simple random sampling uses a sample of size n from a population of size N to obtain data that can be used to make inferences about the characteristics of a population. Suppose that, from a population of 58 bank accounts, we want to take a random sample of four accounts in order to learn about the population. How many different random samples of four accounts are possible?
Simple random sampling uses a sample of size n from a population of size N to...
Simple random sampling uses a sample of size n from a population of size N to obtain data that can be used to make inferences about the characteristics of a population. Suppose that, from a population of 60 bank accounts, we want to take a random sample of nine accounts in order to learn about the population. How many different random samples of nine accounts are possible?
Simple random sampling uses a sample of size n from a population of size N to...
Simple random sampling uses a sample of size n from a population of size N to obtain data that can be used to make inferences about the characteristics of a population. Suppose that, from a population of 60 bank accounts, we want to take a random sample of six accounts in order to learn about the population. How many different random samples of six accounts are possible?
Simple random sampling uses a sample of size from a population of size to obtain data that can...
Simple random sampling uses a sample of size from a population of size to obtain data that can be used to make inferences about the characteristics of a population. Suppose that, from a population of 75 bank accounts, we want to take a random sample of five accounts in order to learn about the population. How many different random samples of five accounts are possible?
Simple random sampling question: The revenue (Y ) for 1,000 food producing establishments in a country may be described...
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1) A flashlight has 6 batteries, 2 of which are defective. a) If 2 are selected at random without replacement, find the...
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2. Imagine you are taking samples (of size n3 fro "sampling With replacement" ensures independence. this...
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Question 16 1 pts You have data from two simple random samples: Group 1 Group 2...
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2. Imagine you are taking samples (of size n3 fro "sampling With replacement" ensures independence. this population with replacement. Recall a) Write down every possible way that you could have a sample of size 3 with replacement from this population. (hint: there will 5*5*5 125 possible combinations) Help: if you are struggling with figuring out the combinations try this code in R: expand.grid(1:15), (1:15), c(11:15)) b) For cach of these samples of size 3, calculate the sample an and record...
Question 1. Consider the following population data on weekly earnings after taxes of single- parent households in a small Ontario town. Weekly Index i Earnings 1220 1000 400 1400 i)Find the population average, variance and median weekly earnings. i) Construct a histogram with 3 equal length intervals for the population data ii) If samples of n-2 individuals were drawn without replacement from the population, how many distinct samples would be possible? Generate the possible samples of n-2 individuals drawn without...
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