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Market surveys are held, to estimate the proportion of housewives who recognize brand name cleaners based on the shape and color of the packaging.
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Let Y be a discrete random variable with probability mass function p(y). Let k be a constant. Suppose p(y) = ky for y = 1; 2; 3; 4; 5. For any other...
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calculate the variance and standard deviation for samples where n = 10, ex2 = 84, ex = 20 how do i put this into my ti84 calc?
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What is the easy way to calculate a 4x4 matrix`s inverse?
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A specific automotive part that a service station stocks in its inventory has an 8% chance of being defective. Suppose many cars come into the...
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Given forecast errors of 6, 4, 0 and -2, what is the mean squared error? 14? 18.67? 16? 12? None of these? Can someone help me with this question?
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How do I compute the elasticities for each independent variable QD =5200 - 42P + 20PX + 5.2I + 0.20A + 0.25M (2.002) (17.2) (2.5) (0.09) (0.21) R2 =...
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The patient recovery time for a surgical procedure is normally distributed with a mean of 5.3 days and a standard deviation of 2.1 days. What is the probability a recovery time takes between 5 and 9
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A trucking company wants to find out if their drivers are still alert after driving long hours. So, they give a test for alertness to two groups of...
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Conduct an independent research project where you will apply the statistical techniques and methods to an original data set.
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1. Athletes' salaries. Here is a small part of a data set that describes Major League Baseball players as of opening day of the 2011 season: (a) What...
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Do you believe that the press has a right to be present during trials? Why or why not?
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Exercise 1: jet type) aircraft.
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Use the given statement to represent a claim.
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Describe a quantitative (statistical) study of your choice using the materials presented in this course. You may choose the issue and the methodology...
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Listed below are the top 10 annual salaries (in millions of dollars) of TV personalities.
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hink the judge should take into consideration when trying to arrive at a decision on how to ensure the defendant's right to a public and speedy trial?...
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Clinical testing of chemical compounds for approval as drugs goes through 3 successive stages: -phase 1: testing on about 50 healthy individuals to...
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On Professor Grindstone's final exam the mean score was 78 and the standard deviation 10. He wants to "curve" the exam so that the middle 50% of the...
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I'm horrible with using the syastic tool in excel. Can dome help answer this?
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A small drugstore orders copies of a news magazine for its magazine rack each week. Let x be the number of customers who come in to buy the magazine...
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A publisher is interested in the effects on sales of college texts of expensive three-colour cover designs.
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b. Assume that a study of 500 randomly selected school bus routes showed that 480 arrived on time. Is it "significant" for a school bus to arrive
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Can you please explain Nonsampling error and Sampling error?
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Mason spent some time observing behavior at the craps table.
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At what year did the National Statistic Office came into being?
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The driving distance for the top 100 golfers on the PGA tour is between 284.7 and 310.6 yards (Golfweek, March 29, 2003).
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Portnoy and Stamm conducted a systematic review of studies that examined the relationship between people's age and the total amount of nighttime...
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In the recent year, the federal Communications Commission reported that the mean wait for repairs for Verizon customers was 36.5 hours.
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Let Y1 denote the first order statistic of a random sample of size n from distribution having pdf f(x) - e^-(x-theta) where 0lt;xlt;infinity. Let...
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Can you help me understand how to solve this problem?
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Late payment of medical claims can add to the cost of health care. The auditing firm of Dewey, Cheatham, and Howe has discovered that for one...
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Can you help me solve this problem?
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A zero mean process has the power spectrum defined by a stationary signal X(t) has the spectral density of the form Sx(f) = 5, for 10/2Pi lt;= |f|
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how to solve the problem of autocorrelation in multiple regression using spss
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How do I calculate the linear regression on item 1 on this study case?
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A random sample of 1000 satellite radio subscribers was asked, "Do you have a satellite radio receiver in your car?
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A reading comprehension test out of 90 points is given to a Grade 5 class of 30 students. Their scores are randomly listed below.
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80, 71, 81, 99, 1, 54, 55, 16, 20, 27, 61, 62, 79, 68, 35, 37, 38, 41, 45, 49, 50, 21, 27, 50, 51, 55, 55, 60, 61, 70 PROBLEM #10.
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Question 1 Shonda has the following dataset: 3, 1, 25, 18, 15, 36, 49, 32, 41. Which of the following would make the best interval length?
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Here is my question. The p-value of your regression is less than .001, so your regression finding is statistically significant.
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Please assist me in answering this question: Two boats, the Prada (Italy) and the Oracle (U.), are competing for a spot in the upcoming Americas Cup...
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A researcher wants to know whether people who regularly listen to talk radio shows are more or less likely to vote in national elections than people...
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When a result is not extreme enough to reject the null hypothesis, explain why it is wrong to conclude that your research supports the null...
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An online stock trading company makes part of their revenue from clients when the clients trade stocks therefore, it is important to the company to
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I need to do a probability study. I have to use charts, graphs, etc.
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A random sample of popular television shows includes 12 from ABC, 14 from CBS, 2 from FOX, and 12 from NBC. Summarize the categorical data by...
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The normal curve is the shape that represents how variables are distributed, and it has some very interesting characteristics:
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Data from 2 ft. drop:5 2 3 2.5 4 1 2 3.5 3 2 1 3.5 3 5 4 2.5 4 6 7 1 3 6 2.5 5 4 6 1.5 1 6 Data from 4 ft. drop: 12 21 6 6.5 11 5 3 6 9 3.5 9 7.5 5...
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Superior Construction Pte Ltd is a successful company dealing with many major projects in Singapore. Recently, it has submitted its biddings for two...
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