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If material hardness is normally distributed with a mean of 42 and a standard deviation of 1. Specification limits for hardness are from 35 to 45....
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At a college, 66 % of courses have final exams and 56 % of courses require research papers. Suppose that 45 % of courses have a research paper and a...
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Case Study 2: Improving E-Mail Marketing Response Due Week 8 and worth 160 points Read the following case study.
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2 suppose you perform a multiple regression to predict crime rate in a state and includes as indicators of predictions the homeownership rate divorce...
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3 suppose you perform a multiple regression to predict crime rate in a state and includes as indicators of predictions the homeownership rate divorce...
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What is the future value of $250,000 invested at a continuously compounded annual rate of 5%, after 3 years? Round your answer to whole dollars?
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can you please help me understand the following question by showing me an example of a similar problem What would the z-scores be that divides the
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Question 1: What is the probability that a property worth at least $150,000 in year 1 ends up worth $200,000 or more in year 5?
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16.In which situation below would you use a t test for dependent means?
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A medical researcher is interested in determining whether a new medication for lung cancer is effective in a group of patients with early-stage...
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A confidence interval for a population mean is to be estimated. The population standard deviation is guessed to be anywhere from 14 to 24. The...
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An industrial researcher is a consultant to a large chain of bookstores.
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A measurement of etch depth has standard deviation of 2 um. The specifications are 150 to 200 um. If k = 6, what is the P/T ratio of the measurement?...
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The average score on an english exam was 82, with a standard deviation of 3; the average score on a history final exam was 85 with a standard...
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We will investigate the Short Term Memory scores for the subjects in the data set (variable STM ); call this variable X .
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Using a telephone survey of 400 randomly selected registered voters, he solicits both their party identification and whether or not they had read the...
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Thirty-five percent of US adults have little confidence in their cars. You randomly select ten US adults.
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A survey found that 31% of all teens buy soda (pop) at least once each week. Seven teens are randomly selected.
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Can anyone please help me with my pre data screening homework in Statistics using SPSS?
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Taylor found that 8% of the recipients of loans from a particular mortgage lending institute default within the first 3 years.
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Use the excel step by-step instructions provided in class to complete the following: Where X = 1, 3, 5, and 7; Y = 2, 4, 6 and 8 compute X 2 , Y 2...
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A national report indicates that the mean and standard deviation of the ACT scores of incoming freshman at American public universities are 24.6 and...
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Thirty-five percent of teens buy soda (pop) at least once each week. Eleven kids are randomly selected.
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NUSC 468 BASIC STATISTICAL ANALYSIS FALL 2018 ASSIGNMENT 2 (20 points) Directions: Answer all questions and show your work for all calculations.
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I am making passwords for my computer systems, using 'code symbols' as a cyber-security caution. I am only going to use 5 out of 6 letters for my...
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I am not intending to submit this work as my own. It is just the way the question is worded is strange. You are given a test to enter graduate school....
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In 2013, Gallup conducted a poll and found a 95% confidence interval of the proportion of Americans who believe it is the government's responsibility...
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One box has 4 cards in it of the same suit numbered 2, 4, 6, and 9. A second box contains 3 cards again of the same suit numbered 2, 3 and 6. One...
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Problem Description: The blockchain is a decentralized ledger of all transactions across a peer-to-peer network.
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1) Population (parametric) mean= 53.501 Standard deviation = 1.79208 Imagine that 5 individuals are sampled at random from this population.
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Many people consider their smart phone to be essential! Communication, news, Internet, entertainment, photos, and just keeping current are all conveniently possible with a smart phone. However, the ba
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If 1,000 police officers are chosen at random and 720 have graduated from a police academy.
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Assume newspaper for garbage or recycling has a standard deviation of 2 pounds. If we want to estimate the average amount of newspaper for garbage or...
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I'm trying to figure out which formula to use. A sample of 1,000 U. households is taken and the average amount of newspaper garbage or recycling is...
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I'm having trouble figuring out which formula to use.
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Tests scores on a general ability exam given to candidates for a police academy are normally distributed.
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A sample of 36 U. households is taken and the average amount of newspaper garbage or recycling is found to be 27.8 pounds with a standard deviation...
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I'm having trouble with this question. A sample of 1,000 U. households is taken and the average amount of newspaper garbage or recycling is found to...
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I need to check my answer. The answer I got was 3120.
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I just need to check my answer. The answer I got was 27.8 +- .12 A sample of 1,000 U. households is taken and the average amount of newspaper garbage...
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I need a check on my answer to the problem below. My answer was 1.73 +- .06 A random sample of 45 Americans consumed an average of 1.73 cups of...
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I have tried understanding this worksheet and cannot seem to grasp it. Can someone please explain to me how to do this worksheet and show me the
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This is an individual assignment in which cooperation is not permitted. # Reference all sources. # For the Pearson linear correlation test as shown below, # describe the assumptions and purpose of the
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Using the following qualitative hypotheses and research questions below:
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The roads recently paved by low bidding company revealed an average of two defects per mile after being used for one year.
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There are 15 chocolate bars and 10 children. In how many ways can the chocolate bars be distributed to the children, in each of the following
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Tom works for a fruit company and found that the weights of pineapples are normally distributed with mean = 500 grams and standard deviation = 100...
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Matt sells watermelons on the side of the road. The weight of a watermelon has a normal distribution with mean = 9.5 lbs and the standard deviation =...
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Problem 3: Compute the t-value for a repeated measures design: Null hypothesis: There is no difference in outcome scores (the DV measure) between...
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The National Football League (NFL) records a variety of performance data for individuals and teams.
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