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Question: In a factory producing television sets, every 100th set produced is inspected. Is the collection of sets inspected a simple random sample, a stratified random sample, a cluster sample, or a systematic sample? The response must be typed, single spaced, must be in times new roman font (size 12) and must follow the APA format.
According to an IRS study, it takes an average of 330 minutes for taxpayers to prepare, copy, and electronically file a 1040 tax form. A consumer watchdog agency selects a random sample of 40 taxpayers and finds the standard deviation of the time ..
question suppose that x xijnx2 is an observed data matrix from a bivariate normal distribution nmusigma2i where i is
in a nationwide survey suppose 100 boys and 50 girls are sampled. what is the probability that the male sample will
What is the marginal revenue equation? Find the output to the nearest thousand cameras that will produce the maximum revenue. What is the maximum revenue?
According to a recent poll, 53% of Americans would vote for an incumbent president. If a sample of 100 people results in 45% who would vote for the incumbent, test the claim that the percentage is 53%. Use a .10 significance level.
Let (S, d) be any noncompact metric space. Show that there exist bounded continuous functions fn on S such that fn (x ) ↓ 0 for all x ∈ S but fn do not converge to 0 uniformly. Hint: S is either not complete or not totally bounded.
What is the difference between descriptive and inferential statistics?- Describe the most common descriptive statistics.
Refer to the real estate data in Blackboard. Determine whether there is a difference in the mean selling price of homes with an attached garage and homes without an attached garage.
Given that we have collected pairs of observations on two variables X and Y , we would consider fitting a straight line with X as an explanatory variable if:
The standard deviation of the demand for the entire 3 week period is not the sum of the individual standard deviations. Square roots don't work that way!
A drug company want to know if new drug lowest the cholesterol below the target level of 120.A random sample of 25 questions has a mean of 115 and a standard deviation of 20
Suppose you're testing H0 : p = 0.62 against Ha : p is not equal to 0.62 and you have calculated the test statistic to be z = 1.334. The area to the right of z = 1.334 (under the standard normal density curve) is 0.091. What is the P-value of your..
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