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x^2+2x-2=0
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Explanation & Answer
(2^2)+4(1*-2)
4-8
=-4
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SPSS Statistics Exam Practice
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Implementing an Evidence-Based Metabolic Syndrome Prevention and Treatment Program Utilizing Group VisitsIn this study, the researchers looked at changes in patients understanding of risk factors associated with metabolic disease and changes in habits to decrease those risks. Through a model curriculum, participants were provided information about how their decisions were influencing the development and progression of metabolic disease. .This is an interesting study because here we see the use of both repeated measures t-tests as well as independent t-tests. How did the researchers use both types of t-tests in light of the fact that we discussed you should choose one or the other?Discuss the sample size in the Sumter County sample. Using a a source, discuss the validity of the design with just 5 participants? In the article, the authors indicate that some data are positively-skewed. Discuss the meaning of that, and why would the skew of data interfere with using it in the t-tests? (In your response, consider the distribution of the test statistic). Hospital Rates of People Living with HIV in the United States, 2009 The authors use confidence intervals (CI) throughout their results.Using an example from the article, explain the meaning of the CI for the specific case you selected.How could you decrease the range of a confidence interval?Review Figure 1 carefully. Notice that the CI is given as whiskers on the plot. Using the data in the text about this figure and the overlapping nature of the confidence intervals and the means, explain why there is a significant difference between Black and White but not White and Hispanic.In Table 2 the authors present data surrounding the hospitalization rates based on sex both by OIs (preventable and non-preventable).Research the rate ratio and discuss it for the preventable OIs data.Construct an appropriate graphical representation of the data in Table 2
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A contractor recorded the amount of money earned for different jobs and
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BHS A contractor recorded the amount of money earned for different jobs and the amount of time spent on each job.
A contractor recorded the amount of money earned for different jobs and
the amount of time spent on each job. The data are shown in the
scatterplot below. Based on the data, predict the amount of money the
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SPSS Statistics Exam Practice
The weight loss researcher from last week's assignment did his best to create a sample with roughly half men and women. Ho ...
SPSS Statistics Exam Practice
The weight loss researcher from last week's assignment did his best to create a sample with roughly half men and women. However, he is aware that most weight loss programs have approximately 80% women participants and 20% men participants. Run two chi-squares to help the researcher determine whethera) his sample is evenly split by gender andb) whether the sample reflects the typical 80/20 gender split.Use WeightLossPrograms.savFor each chi-square analysis and report:The value of chi-square and the degrees of freedom (df).The significance level (p-value) for the chi-square.Your conclusions. A sentence or two will suffice.Submit your answers to #1-3 in a Word document. Use a page break to separate the results of the two chi-square analyses and label each section accordingly. Please upload your file to Blackboard using the Attach File option.
GMU Wk4 EB Metabolic Syndrome Prevention & Treatment Program Article Discussion
Implementing an Evidence-Based Metabolic Syndrome Prevention and Treatment Program Utilizing Group VisitsIn this study, th ...
GMU Wk4 EB Metabolic Syndrome Prevention & Treatment Program Article Discussion
Implementing an Evidence-Based Metabolic Syndrome Prevention and Treatment Program Utilizing Group VisitsIn this study, the researchers looked at changes in patients understanding of risk factors associated with metabolic disease and changes in habits to decrease those risks. Through a model curriculum, participants were provided information about how their decisions were influencing the development and progression of metabolic disease. .This is an interesting study because here we see the use of both repeated measures t-tests as well as independent t-tests. How did the researchers use both types of t-tests in light of the fact that we discussed you should choose one or the other?Discuss the sample size in the Sumter County sample. Using a a source, discuss the validity of the design with just 5 participants? In the article, the authors indicate that some data are positively-skewed. Discuss the meaning of that, and why would the skew of data interfere with using it in the t-tests? (In your response, consider the distribution of the test statistic). Hospital Rates of People Living with HIV in the United States, 2009 The authors use confidence intervals (CI) throughout their results.Using an example from the article, explain the meaning of the CI for the specific case you selected.How could you decrease the range of a confidence interval?Review Figure 1 carefully. Notice that the CI is given as whiskers on the plot. Using the data in the text about this figure and the overlapping nature of the confidence intervals and the means, explain why there is a significant difference between Black and White but not White and Hispanic.In Table 2 the authors present data surrounding the hospitalization rates based on sex both by OIs (preventable and non-preventable).Research the rate ratio and discuss it for the preventable OIs data.Construct an appropriate graphical representation of the data in Table 2
BHS A contractor recorded the amount of money earned for different jobs and the amount of time spent on each job.
A contractor recorded the amount of money earned for different jobs and
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BHS A contractor recorded the amount of money earned for different jobs and the amount of time spent on each job.
A contractor recorded the amount of money earned for different jobs and
the amount of time spent on each job. The data are shown in the
scatterplot below. Based on the data, predict the amount of money the
carpenter would earn from a job that took 15 days to complete.A. $1500B. $3500C. $1000D. $3000
The population of a country is initially 2.5 million people, Algebra Assignment Homework Help
2. The population of a country is initially 2.5 million people and is
increasing by 0.8 million people every year. The c ...
The population of a country is initially 2.5 million people, Algebra Assignment Homework Help
2. The population of a country is initially 2.5 million people and is
increasing by 0.8 million people every year. The country’s annual food
supply is initially adequate for 4 million people and is increasing at a
constant rate for an additional 0.4 million people per year.
a. Based on these assumptions, in approximately how many years will the country first experience shortages of food?
b. If the country doubled its initial
food supply and maintained a constant rate of increase in the supply
adequate for an additional 0.5 million people per year, would shortages
still occur? If so, how many years would it take for shortages to occur?
If not, explain.
c. If the country doubled the rate at
which its food supply increases, in addition to doubling its initial
food supply, would shortages still occur? If so, how many years would it
take for shortages to occur? If not, explain.
3. Springfield will be opening a new high school in the fall. The
number of underclassmen (9th and 10th graders) must fall between 500 and
600 (inclusive), the number of upperclassmen (11th and 12th graders)
must fall between 400 and 500 (inclusive), and the number of students
cannot exceed 1000.
a. Let x represent the number of
underclassmen and y represent the number of upperclassmen. Write a
system of inequalities that models the situation.
b. Graph the solution to the system of inequalities in part a.
3 pages
Survey Hypothesis
1. State your hypothesis in symbolic form and in words. (The following should be clear in your answer: the population of i ...
Survey Hypothesis
1. State your hypothesis in symbolic form and in words. (The following should be clear in your answer: the population of interest and the meaning of ...
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