Solution Library


Calculate Regression Analysis

QuestionA planning official in the Texas Department of Community Affairs, which works in the office next to you, has a problem. He has been handed a data set from his boss that includes the costs involved in developing local land use plans for communities with populations between 75,000 and 125,000. ... Read More

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Calculation of Infant Mortality Rates of Urban and Rural Areas

Question The following data are infant mortality rates for urban and rural counties. Is there a statistically significant difference between the infant mortality rates? If yes what direction?  Location    Mortality Rate       Urban    &nbs ... Read More

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Calculation of Difference in Planning Department’s Base Salaries

QuestionUsing the one-way ANOVA, is there a difference between the following planning department’s base salaries? If yes which are different and by how much? State    Environmental    Geographic Information    Economic Development     ... Read More

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Calculation of Difference Between New Drug for Heart Rate Reduction and Placebo

QuestionUse the following description and table to answer the questions.A pharmaceutical company wants to determine if there is a significant reduction in heart rate with their new drug, Clardozan, at the .01 level of significance. The researchers took a random sample of 30 adults and randomly selec ... Read More

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Finding Feasible Statistical Study Methods

QuestionA study is planned to study whether passive smoking (being exposed to secondhand cigarette smoke on a regular basis) leads to higher rates of lung cancer.a) One possible study is to take a sample of children, randomly select half of them for placement in an environment where they are passive ... Read More

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Survey of Students to Find How Many Would Want a Female US President

QuestionYou plan to sample from the 3500 undergraduate students enrolled at the University of Rochester to compare the proportions of female and male students who would like to see the U.S. have a female president.a) Suppose that you use random numbers to select students, but you stop selecting fema ... Read More

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Sample Testing of a New Drug for Pain Management

QuestionA new drug designed to control neuropathic pain needs to be tested using pain score measurements (on a scale of 0 – 10; 0 = no pain). Clinicians think that a standard deviation of 2 for the pain score would be a suitable value.  For the drug to be carried forward a minimum decreas ... Read More

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Randomized Controlled Trail of a New Drug for Pain Management

QuestionA parallel group RCT was conducted to compare the effects of a new drug treatment regime against the currently used treatment on patients with neuropathic pain. The primary outcome was the fall in pain scores over a three week course of treatment. Patients who presented with consistent neuro ... Read More

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Calculate Statistical Significant Difference in General Election Voting

Questiona) In 2008 was there any statistically significant difference as to the Age, Income, Self-Placement on the Left-Right scale, Interest in the Federal Election (based on question asked during the Campaign Period), or feelings towards Quebec, between those ONTARIANS who voted for the Conservati ... Read More

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Calculate Statistical Significant Difference of Voting in General Election

QuestionIn 2008 was there any statistically significant difference as to the Age, Income, Self-Placement on the Left-Right scale, Interest in the Federal Election (based on question asked during the Campaign Period), or feelings towards Canada between those Quebeckers who voted for the Conservative ... Read More

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2008 Canada Elections Leader Getting Blamed and Credit for Losing and Winning Elections

Questiona.) When a party loses an election, the leader usually has to take the blame for this, fairly or unfairly. Did Stéphane Dion help or hurt the Liberal Party during the 2008 election? b.) Similarly when a party wins, its leader gets the credit. Therefore it is also worth asking whether ... Read More

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Adding a New Variable to the Data of People Who’ve Voted in 2008 Canada Elections

QuestionRecode ces08_CPS_S18B_ISR (ISR Income Categories) into a new variable called Low_Inc so that everyone who earns less than $30,000 is coded as 1 and labelled (low income) and everyone who earns $30,000 or more is coded as 0 and labelled (non-low income), you are missing, no answer, don’ ... Read More

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