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____ 1. The closer the points on a scatter diagram fall to the regression line, the _________ between the scores.a. higher the correlationb. lower the correlationc. correlation doesn't changed. need
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I'm not sure how this works but I'm hoping I can find a tutor in said field who can reach out to me. sample question:
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Let x be a continuous random variable that is normally distributed with a mean of 24 and a standard deviation of 7. Find to 4 decimal places the...
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Suppose that a shipment of 250 netbooks contained three defects, and 247 good units. Find the probability that when a company buys three units from...
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An automobile company has 6,500 dealers who are polled to find out their annual incomes as well as their age. The number of dealers in each category...
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Hey can you please help me with question 3 and 4, I tried to do it manually, but couldn't do it on minitab. Could you please show me how to do it on
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Answer the following problems showing your work and explaining (or analyzing) your results. Explain Type I and Type II errors. Use an example if...
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"Bias is present in each of the following cases.
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I/ The following data are ACT test scores from a group of high school seniors:
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2. An astronomer is measuring the distance to a star. Because of measurement errors, each measurement will not be precisely correct, but merely an
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$FL2@(#) SPSS DATA FILE MS Windows 17.0 ################(#########Y@04 Oct 0916:
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The playing time X of classical CDs has the normal distribution with a mean of 54 and a standard deviation of 5; the N(54, 5) distribution.
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1) The following random sample from a population whose values were normally distributed was collected. 10 15 11 12 The 90% confidence interval for is...
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A negative value for a correlation indicates ______.
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What statistical test should be ran for the following example?
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What statistical test should I run for the following example?
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M, Inc. would like to introduce its new line of poly-play tennis rackets. The company may advertise in leading tennis magazines or on TV during...
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What statistical analysis would I run for the following example?
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The average age for a person getting married is 32 years. Assume the ages for getting married have a normal distribution with a standard deviation of...
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10) A microwave manufacturing company has just switched to a new automated production system. Unfortunately, the new machinery has been frequently...
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12) A local tire dealer wants to predict the number of tires sold them each month. He believes that the number of tires sold is linear function of...
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a firm producing light bulbs wants to know if it can clam that its light bulbs last 1000 hours to answer this question the firm takes a random sample...
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6) The diameter of small Nerf balls manufactured at a factory in China is expected to be approximately normally distributed with a mean of 5.2 inches...
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4) An important part of the customer service responsibilities of a cable company relates to the speed with which trouble in service can be repaired.
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Desensitization Positive Reinforcemen Behavior Modification Mild I Moderate Severe I Mild I Moderate Severe I Mild I Moderate I Severe Female 10 12
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3) Based on a random sample of 25 units of product X, the average weight is 104 lbs and the sample standard deviation is 10 lbs.
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A credit A credit union is a member- owned financial cooperative , controlled by its members providing financial services :g , checking accounts and...
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1) The college student journal( December 1992) investigated differences in traditional and nontraditional students where nontraditional students are...
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Table of treatm pylori Frequency EXP Romp Eradicated Eradicated Total Crank 80.00 20.00 Triple Therapy 20.00 80.00 Statistic DE Value Prob Chi -...
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A manufacturer makes three models of a television set, models A,B, and C. A store sells 40% of model A sets, 40% of model B sets, and 20% of model C...
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Determine if there is a linear elationship between age and body mass index Determine if age at first pregnancy is different between women with a...
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The average salary of graduates entering the actuarial field is reported to be $40,000.
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The manager of the injection molding department has asked you to prepare an EWMA chart for a maintenance operation-weekly mold changes. The table of data below shows the number of mold changes for the
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A bank holds the mortgage on a motel which the motel owner says has an average daily revenue of at least $2028.
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Cource: EPGDM Predictive analysis Assignment | Note: use SPSS or Excel for analysis 1. MRP Biscuit Company Ltd The Indian biscuit industry has...
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From the 13 albums releasedo by a musician, the recording company wishes to release 2 in a boxed set.
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SPSS Homework 4 Instructions: Two-Way ANOVA Part 1: Note:
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in testing a new drug, researchers found that 6% of all patients using it will have a mild side effect. a random sample of 11 patients using the drug...
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A pollster calls 500 randomly selected people and all 500 respond to her first question. Because the subjects agreed to respond, is the sample a
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Question 1 Not yet answered Points out of 1.00 Flag question Question text OUR Walmart has the primary backing and support of what national Union?
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Question 1 Not yet answered Points out of 2.00 Flag question Question text How many students are in the web radio studio we walked by, broadcasting
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A new test has been developed to detect a particular type of cancer. A medical researcher selects a random sample of 1,000 adults and finds (by other...
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An investor has the following investment portfolio Z = a1X + a2 Y with a1 + a2 = 1. Where X and Y are random rate of returns of assets X and Y...
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Suppose x is a random variable best described by a uniform probability that ranges from 0 to 6 . Compute the following:
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A metallurgist has invented a new tungsten alloy for use in the filaments of lightbulbs that is supposed to burn brighter with the use of less energy....
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Given two independent random samples with the following results 596 12 = 395 0. 12 0 . 4 Use this data to find the 98 % confidence interval for the...
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Customers of a large grocery chain who are members of the chains incentives program spend an average of $45 per visit to the grocery.
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An ecologist for the state of Missouri has monitored the mercury level in the ground water near a large smelting plants.
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The food and drug administration will allow a food product to be labeled "sodium free" only if there is strong evidence that it contains, on average,...
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hello, I have 33 statistics questions.
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