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A report from the college dean indicates that for the previous semester, the grade distribution for the Department of Psychology included 135 A's,...
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Life Spans of Houseflies, use a dot plot to display the data.
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It took a contractor 580 hours to manufacture their first unit of an item. If the contractor expects to achieve an 87% unit learning curve, how many
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The Knicks and the Caveliers are battling for the NBA Eastern Conference Championship in a "best of 7 series" (need to win 4 games).
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Hi Needing assistance. If you cannot download the xlsx file on #4, I've listed the info at the bottom.
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A co-ed soccer team has 12 women and 8 men on its roster. 8 players play on the field at one time. a) What is the probability the starting lineup
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what are the ethics in diabetes screening in a community based research program
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6. A gas station has a 9.2% chance of running out of gas on any given day. a) What is the probability the gas station will run out of gas one day in
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In one study of smokers who tried to quit smoking with nicotine patch therapy, of the 100 that were surveyed, 47 were smoking one year after the
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Explain the issues that surround research studies that report statistical significance but actually have quot;barelyquot; found significance a nd
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The lifetime of African Cichlids is unknown but the sample of 75 cichlids were taken and its mean life time was 5.2 years with a margin error of 420...
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Explain how to obtain the quot;expected value of perfect informationquot; for any payoff table, which has possibilities associated with each state...
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The following data give the one-way commuting times (in minutes) from home to work for a random sample of 50 workers.
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assume that the significance level is a = 0.05 use the given information to find the p-value and the critical value. the test statistic of z=1.
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A software design company is creating a new, faster search engine. The search engine is clearly faster, but initial tests indicate there is more...
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You are the quality assurance person working an assembly line at a TV manufacturing plant. They produce 1000 TV's a day.
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I need a brief and well explained answer to this question for a presentation I will have: How would you interpret the result of a logistic regression...
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Sample Wind Cost/kwh Coal Cost/kwh 1 0.030 0.027 2 0.075 0.045 3 0.082 0.074 4 0.048 0.074 5 0.050 0.052 Mean 0.057 0.054 Standard Deviation...
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An exit survey of 500 voters revealed that 210 of them favor a particular referendum issue. Find the 90%, 95% and 99% confidence intervals for the...
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Consider a modified version of the very famous tic-tac-toe game in which player 1 moves, then player 2 moves, and then player 3 moves and the game...
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Please assist. When the results of a survey or poll are published, the sample size and the margin of error are both given. For example:
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What is the global competition?explain briefly.how successful leaders recognise the need to adapt to the ever rapidly changing ways to do business andwhat are the basic types of competitive advantage?
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Suppose that the average weekly earnings for employees in general automotive repair shops is $450, and that the standard deviation for the weekly...
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More than 100 million people around the world are not getting enough sleep; the average adult needs between 7.5 and 8 hours of sleep per night.
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Complete Exercises 16 and 17 in Statistics for Nursing Research: A Workbook for Evidence-Based Practice, and submit as directed by the instructor.
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a population that includes 92,815 registered voters from which the jury was selected. This group includes a 32% African-American group, of which 58%...
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1. Which one of the following data are discrete?
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2. An instructor wishes to review students doing poorly in his large-room lecture courses, so that he can schedule individual appointments with them
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1. An instructor wishes to review students doing poorly in his large-room lecture courses, so that he can schedule individual appointments with them
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Use the appropriate commands to find the mean, median, mode, sample standard deviation, 10% trimmed mean, and data count.
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Why is it useful for decision makers to understand the probability distributions that govern uncertain business processes?
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Explain how the ANOVA technique avoids the problem of the inflated probability of making Type I error that would arise using the alternative method
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Discuss the implications of:
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A group of students at a school takes a history test. The distribution is normal with a mean of 25, and a standard deviation of 4.
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Respond to chapter 22 question 5 Warner (2013, p. 1004) Consider this study conducted by Kim Mooney (1990) at the University of New Hampshire.
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What is the probability that a randomly selected mango weighs less than 14 ounces?
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(b) Let n = 269 represent the number of ticket reservations. Let r represent the number of people with reservations who show up for the flight.
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please compare and contrast how the psychologist as a detective (a researcher) solves a problem to how a non-researcher solves a problem. Please be
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f the car decelerates uniformly along the curved road from 25 m/s at A to 15 m/s at C, determine the acceleration of the car at B.
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Hi I need to submit an article critique using rubric below. Thanks Article Critique Outline (one to three pages) Citation (Authors, Title of Article,...
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Answer 90 statistics questions which will be given in real-time
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Practice Problem #8 pg. 270: What is the power of each of the following studies, using a t test for dependent means (based on the .05 significance
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The amount of snowfall falling in a certain mountian range is normally distributed with a mean of 105 inches, and a standard deviation of 16 inches.
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Suppose the average commute time of your employees is unknown. The standard deviation of their commute time is estimated as 32.5 minutes.
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Suppose the number of residents within five miles of each of your stores is asymmetrically distributed with a mean of 22 thousand and a standard...
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A sample of n = 9 scores has SS = 200. What is the variance for this sample?
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your firm has a contract to make 2000 staff uniforms for a fast food retailer. the heights of the staff are normally distributed with a mean of 70...
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Suppose your marketing colleague used a known population mean and standard deviation to compute the standard error as 56.4 for samples of a...
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A researcher claims that the amounts of acetaminophen in a certain brand of cold tablets have a mean different from the 600 mg claimed by the...
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A survey of students of a college found the following majors:
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