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The Bureau of Labor Statistics American Time Use Survey showed that the amount of time spent using a computer for leisure varied greatly by age....
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A recent study on teenage pregnancy indicates that 5% of the female population will get pregnant sometime in their teenage years.
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weight-loss clinic advertised that last month its patients, on average, lost 7 lbs . Assuming that average refers to the mean , which of the
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Statistics - Please show steps: Three experiments investigating the relation between need for cognitive closure and persuasion were performed.
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A college professor claims that the entering class this year appears to be smarter than entering classes from previous years.
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Please review the presentation, Misleading Graphs and Statistics (Links to an external site.) and post your comments how the presentation affects...
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The average time for students in MUN to commute to the university from their home is claimed to be 20 minutes with standard deviation of 10 minutes.
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I find proportion question quiet confusing, could any one just put me through, what formula to use and when?
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In a completely randomized experimental design involving five treatments, 13 observations were recorded for each of the five treatments (a total of...
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A computer Company claims that its Laptop has a battery that will last, on average, more than 3.5 hours on a full charge.
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Richard has been given a 12 question quiz in his history class each question has 4 answers of only one is correct. Since Richard has not attended the...
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12. Fix-It Copiers advertises a mean time of 100 minutes for office calls with a standard deviation of 25 minutes. What percentage of calls are
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If sale of bread and sale of jelly then sale of peanut butter is 80 % is an example of: Select one: Decision Rule b. Sales Rule c. Association Rule d....
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A young investment manager tells his client that the probability of making a positive return with his suggested portfolio is 95%. If it is known that...
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1) Use the t -distribution to find a confidence interval for a mean given the relevant sample results. Give the best point estimate for , the margin...
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A department store made a study of personal checks it received for payment of goods.
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I'm currently taking Math 302 statistics with APU/AMU, and I'm not doing so well, does anyone have any good study material for the final exam?
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-Perform certain calculations discussed in the assigned reading in order to derive an answer for each problem.
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A researcher plans to compare two treatment conditions by measuring one sample in treatment 1 and a second sample in treatment 2. The researcher will...
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In order to estimate the mean amount of time computer users spend on the internet each month, how many computer users must be surveyed in order to be...
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A production process produces an item. On average 15% of all items produced are defective. Each item is inspected before being shipped and the...
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how can we find fuzzy probability under exponential distribution using matlab
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Do one of the following, as appropriate.
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I would like to use your service to assist me in taking a statistics exam. Can you help me?
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A company's customer support division want to test to see if that wait time for a consumer to talk to a representative is under 10 minutes.
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1. What is logistic regression? 2. Identify types of logistic regression? 3. How to perform logistic regression in SPSS? 4. Discuss the objectives of...
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Consider a regression situation in which y = hardness of molded plastic and x = amount of time elapsed since termination of the molding process....
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the researcher wants to predict the miles/gallons for an automobile that has a manual transmission, displacement is 250 (cubic in). and weight is...
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construct a 98% confidence interval to estimate the population mean with x=62 and 0= 12 for the following sample sizes. n = 33 b. n = 41 c. n = 60 a....
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For problems requiring computations, please ensure that your Excel file includes the associated cell computations and/or statistics output; this
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I am having trouble with this Create a Microsoft Excel spreadsheet with the two variables from your learning team's dataset.
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A colony of lab mice consisted of several hundred animals. Their average weight was about 30 grams, and the SD was about 5 grams.
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The relation between y = ideal weight (lbs) and x =actual weight, based on data from n = 119 women, resulted in the regression line y = 44 + 0.60 x Q:...
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txt (located on Canvas course website). The Current Population Survey (CPS) is used to supplement census information between census years.
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Let the universal set U = {a, b, c, d, e, f, g}; A = {a, b, c}; B = {c, d, e} A U B A INTERSECTION B A' U B' (A INTERSECTION B)' A U B'
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A random person is selected from a group of people. The probability that s/he has a pollen allergy is 0. The probability that s/he has a dust allergy...
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The average number of punds of meat that a erson consumes a year is 214.7 pounds. Assume that the standard deciation is 20 pounds and the...
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Hello, Can this problem be done?
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The Environmental Protection Agency (EPA0 estimated that the 1994 Polaris automobile obtains a mean of 35 miles per gallon (mpg) on the highway.
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Can someone help me with this confidence intervals for the mean sigma known?
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Provide an example that follows either the binomial or Poisson distribution, and explain why that example follows that particular distribution.
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300 people apply for three jobs. 90 of the applicants are women. If three persons are selected at random, find the following probabilities: All of
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IQ scores are normally distributed with a mean of 100 and a standard deviation of 15 Assume that many samples of size n are taken from a large
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Is there a way to do this in excel for identifying the null hypothesis and the alternative hyposthesis for a Statistics class?
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Four buses carrying 156 high school students arrive to Montreal. The buses carry, respectively, 39, 48, 28, and 41 students. One of the studetns is...
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What is the problem with deviance as a measure of goodness of fit in logistic regression?
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t for? how we interpret the p-value to get the conclusion? hello I am wondering what is the ramsey reset test, multicollinear, and heteroscedasticity?...
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What is the most expensive step in the: (explain why) a) interior point method? b) simplex method? c) revised simplex method?
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Exercise 14.6 - Time Series Analysis Given the following data on Asian and European Share of U. Light Truck Sales(1990-2003): Year t Percent 1990 1...
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in a manufacturing process a random sample of 9 bolts has a mean length of 3 inches with a variance of .09. what is the 90% confidence interval for
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