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Math Statistics Answer these three questions and show all your work and use the z-table that is in the back of all statistic book 1) suppose you know...
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An election poll reported that a candidate had an approval rating of 59% with a margin of error E of 3%. Construct a confidence interval for the...
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The data below lists the number of games played in a yearly best-of-seven baseball championship series, along with the expected proportions for the
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ARMA(2,1) model Y, = Yf-1 -Yt-2 + Et + 26t-1 with Gaussian white noise E, ~ N(0, 1). What's the joint distribution of (Y1, Y2, Y3)?
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You are taking classes to become a Master Gardener at the local County Extension office. You look around during your first class and realize that...
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The duration of time from first exposure to HIV infection to AIDS diagnosis is called the incubation period.
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a market researcher selects a simple random sample of n = 100 customers from its population of two million customers.
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The student government at the University of Missouri conducted a survey of the university's students.
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Predictor coef Stev t - ratio Constant 147 . 97 1 972 3.53 204181 viscosity 6 .262 0.47 13 . 21 CO. COOL load 0. 298 0.04 7 . 43 0. OOD1 13 .507 B -...
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The Affordable Care Act created a market place for individuals to purchase health care plans.
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Howdy! I am currently using STAT CRUNCH for HW and it is very confusing to me; I am currenlty working on Math 135 Lab 3- Binomial_and_Central Limit...
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With a 98% level of confidence a company producing street signs wants to make sure the length of their product is meeting quality standards.
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Part 1. Identify a process for which both chance and assignable causes of variation exist. Support your position concerning the existence of sporadic...
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Part 2. question is follow up to one just submitted. Using the same process identified in part 1, or choosing a different process, analyze some...
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Suppose the Federal Aviation Administration (FAA) would like to compare the on-time performances of different airlines on domestic, nonstop flights.
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How many rounds of golf do those physicians who play golf play per year?
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(1 point) Rock band The Rolling Stones have played scores of concerts in the last twenty years. For 30 randomly selected Rolling Stones concerts, the...
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A car company is attempting to develop a reasonably priced gasoline that will deliver improved gasoline mileages.
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An auditor for a government agency is assigned the task of evaluating reimbursement for office visits to physicians paid by Medicare.
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Suppose that a popular hotel for vacationers in Orlando, Florida, has a total of 300 identical rooms.
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(1 point) An online used car company sells second-hand cars. For 30 randomly selected transactions, the mean price is 2900 dollars. Part a) Assuming...
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A lecture hall at NC State has 200 seats with fold-down writing pedestals, 30 of which are designed for left-handers. An Intro. to Economics class...
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(1 point) Starting salaries of 95 college graduates who have taken a statistics course have a mean of $44,465. Suppose the distribution of this...
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A statistics practitioner took a random sample of 49 observations from a population whose standard deviation is 26 and computed the sample mean to be...
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Previously a study found that statistics students were spending about $400.00 on textbooks per semester.
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The number of cars sold annually by used car salespeople is normally distributed with a standard deviation of 18. A random sample of 330 salespeople...
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A study is being conducted on the effect of gas price on the number of miles driven in a given month.
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A medical researcher wants to investigate the amount of time it takes for patients' headache pain to be relieved after taking a new prescription
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The Daily News reported that the color distribution for plain MM's was: 35% brown, 30% yellow, 15% orange, 10% green, and 10% tan.
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A random sample of 100 males found that 80% watched a particular TV show in the past week. A random sample of 100 females found that 50% watched the...
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Define a parameter. (Points: 5) A parameter is quantitative measurement. A parameter is a numerical measurement describing an aspect from a...
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An HP laser printer is advertised to print text documents at a speed of 18 ppm (pages per minute). The manufacturer tells you that the printing speed...
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Hi this is a question about the definition of p-value. Please explain in detail. It is ok not to caculate the exact number of p-value, just show the...
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"Identify a real-life example or application of either the binomial or Poisson distribution. Specify how the conditions for that distribution are met....
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The manager of the quality department for a tire manufacturing company wants to know the average tensile strength of rubber used in making a certain...
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A Pearson correlation of r = +0.85 indicates that a graph of the data would show ___.
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1) Fitting a straight line to a set of data yields the following prediction line: Y = 10 + 4X Interpret the meaning of the Y intercept, b 0 .
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COMPLETE THE ANOVA SUMMARY BY FILLING IN THE MISSING DATA. (NOTE: UP TO FOUR DECIMAL PLACES ONLY) A study is being conducted to know the variability...
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a random sample of 70 four-year-old attending day care center provided a yearly tuition average of $3,994 and a population standard deviation of $660....
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Find the P-value for the indicated hypothesis test. A medical school claims that more than 28% of its students plan to go into general practice.
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A national business magazine intends to survey its subscribers to determine who they think is the "CEO of the Century." Subscribers are invited to...
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Suppose you are conducting research in which you perform 12 statistical tests on the same set of data. How would you use the Bonferroni method to
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Conduct the hypothesis test and provide the test statistic and the critical value, and state the conclusion.
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According to a book published in 2011, 45% of the undergraduate students in the United States show almost no gain in learning in their first two...
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75% of the customers of ACME Mutual Insurance have auto insurance, and 40% have homeowners insurance.
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A bond analyst was given a list of 10 corporate bonds. From that list, she selected 3 whose ratings she felt were in danger of being downgraded in...
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Box office Example with 2 Dummy variables: Let us define two dummy variables: First yr box Total Prod Total Promotional Total Book office Cost Sales...
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to internal validity arises when participants are selected for treatment because they score particularly high on a less than perfectly reliable test?...
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Table list ages for sample of couples on vacation. The least squares regression line is in the form y= bo + b1x compute the value of b1 that is...
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The manufacturer of a fertilizer guarantees that, with the aid of the fertilizer,65% of planted seeds will germinate. Suppose the manufacturer is...
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