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A teacher rated the reading ability level of six fourth grade children in a special math program. The reading level ratings were as follows: 3, 3,...
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define correlation. Then give a logical (intuitive) example of a positive correlation and a negative correlation and explain what each means.
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a deep foundation engineering contractor has bid on a foundation system for a new world headquarters building for a fortune 500 company.
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The Chartered Financial Analyst (CFA ) designation is fast becoming a requirement for serious investment professionals.
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The decline of salmon fisheries along the Columbia River in Oregon has caused great concern among commercial and recreational fishermen.
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Let P ( A ) = 0.58, P ( B | A ) = 0.43, and P ( B | A c ) = 0. Use a probability tree to calculate the following probabilities: (Round your answers...
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A new phone system was installed last year to help reduce the expense of personal calls that were being made by employees. Before the new system was
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Choose the correct option: Bayes factors can also be used to decide which combination of predictors are best at predicting the outcome. The model...
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1 Taking all parameters into account, what would you expect to be the probability of it costing exactly $15 to produce one kilogram of penicillin?
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1- Solve the problem. Elaine gets grades of 71, 75 and 64 in a test. Finish with 60 in your final exam.
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Consider the following competing hypotheses and accompanying sample data drawn independently from normally distributed populations. Use Table 1 . H 0...
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suppose the proportion of female shoppers in a certain mal is 0.58 On a specific day a store took a random sample of 183 shoppers and recorded the...
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Criterion : Analyze the results of an ANOVA summary table and report findings. Data : ANOVA summary table:
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what would 3 studies that explore gender stereotypes within United States be
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Assume that an air passenger has a probability of 1/ 6 of being assigned seat F and a probability of 1/ 4 of getting the special mean that she...
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The average age for licensed drivers in a county is = 42.6, = 12 and the distribution is approximately normal.
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make a wider range of discussions on the quantitative research, the quantitative approach and the quantitative analysis.
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Which of the following meets the requirements of a simple random sample?
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The access code to a house's security system consists of five digits.
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n choose k can be computed with n!/(k!(n-k)!) Then, 5 choose 2 would be 10?
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need the attached 4 questions for a stat 2 class completed, must be done in minitab, datasets and assignment with all instructions included in the
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Let X be a geometric random variable with parameter P, where P is itself random and uniformly distributed from 0 to (n - 1 )/n. Let Z = E[X P]. Find...
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List three variables (X1, X2, X3) you'd include in a Multiple Regression Model in order to better predict an outcome (Y) variable.
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1) Find the value of x2 for 12 degrees of freedom and an area of .025 in the right tail of the chi- square distribution curve. What is the value of
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A random sample of medical files is used to estimate the proportion p of all people who have blood type b .
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out of all new products put on the market , 90% fail and are taken off the market within three years .
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There is a die that has only four sides. All of them are different colors (orange, yellow, green, and blue), and all of them are equally likely. This...
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If the correlation coefficient r is equal to 0.476, find the coefficient of determination. A) 0.773 B) 0.690 C) 0.352 D) 0.
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An electronic company wishes to determine the best order size for its best selling data storage equipment.
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For a research study on if the intervention of skin to skin contact between mom and babies after birth compared to no skin to skin have an effect on
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Diseases I and II are prevalent among people in a certain population.
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The mean of a test is 600 and the standard deviation is 200. It is normally distributed. 1.Joe got a z-score of +0.4. What is his test score?
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I need help setting and solving all the Six Sigma questions (1 - 6) in reference to the Six Sigma Flyrock Tires case.
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The mean of a test is 600 and the standard deviation is 200. It is normally distributed.Amy is in the 55th percentile rank. what is a possible score
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Question1- Hypothesis Testing and Errors What is a type I error? What is a type II error? For a test at the 95% confidence level, what is alpha?
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I'm drowning in this class, I have read everything related to this weeks work and am still lost. A student has 10 questions that are multiple choice....
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Let's imagine that you are the head of quality control for a company that makes light bulbs.
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a MD public health official is alarmed at the sodium levels in big-chain store burritos. The official goes to a nearby big-chain store and takes a...
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People were polled on how many books they read the previous year. How many subjects are needed to estimate the number of books read the previous year...
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Suppose that $532,000 is to be allocated for advertising, research, and investment in the ratio 8:7:4 . How much money will be allocated for each?
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for each follow question construct 90, 95 and 99 precent confidence intervals for the population meanand state the practical and probabilistic in...
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The odds of losing money on a particular stock is 8 to 2. What is the probability that money will be lost on the stock?
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Suppose that the results of the survey were used to construct seperate 99% confidence intervals for boys and girls.
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Using the sat dataset, fit a model with the total SAT score as the response and expend, salary, ratio and takers as predictors.
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What is the probability of getting the first questions correct and miss the fourth (with five possible answers to each question)?
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In an inertia welding experiment, a sample of 50 welds made with a standard welding method were tested.
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462 Homework 5, Due Monday 10/27 1. The relationship between a y = student height and the heights of a personquot;s mother and father is examined...
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The time it takes an employee to package the components of a certain product is normally distributed with = 9.5 and = 1.5 minutes.
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[Uncertain Scenario - Maximizing the Mean] The potential revenues of all projects are in fact uncertain.
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A company has $1,000,000 to invest in new Ramp;D projects. The company wants to determine what set of projects should be selected.
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