The problem that demonstrates inference from two independent samples will use hypothetical data from the American Association of Poison Control Centers.

Hypothesis Testing and Inference 
 
This assignment focuses on estimation and hypothesis testing with one-sample and two-sample inferences. 
 
The essence of parametric testing is the use of standard normal distribution tables of probabilities. For each exercise, there will be a sample problem that shows how the calculations are done and at least one problem for you to work out. 
 
For the first assignment, you will not need any statistical software. However, you will use a standardized normal distribution table (a z-score table) provided in the course textbook (Table 3—The normal distribution—in the Tables section in APPENDIX) to obtain your responses. 
 
Click here to access the standardized normal distribution table from your course textbook. 
 
Problem 1: Probability Using Standard Variable z and Normal Distribution Tables 
 
Variables are the things we measure. A hypothesis is a prediction about the relationship between variables. Variables make up the words in a hypothesis. 
 
In the attention-deficit/hyperactivity disorder’s (ADHD’s) hypothetical example provided in the tables below, the research question was, What is the most effective therapy for ADHD? One of the variables is type of therapy. Another variable is change in ADHD-related behavior, given exposure to therapy. You might measure change in the mean seconds of concentration time when children read. This experiment is designed to obtain children’s concentration times while they read a science textbook and to find out whether the therapy used worked on any of the children. 
 
Use the stated µ and σ to calculate probabilities of the standard variable z to get the value of p (up to three decimal places). In addition, respond to the following questions for each pair of parameters: 
•Which child or children, if any, appeared to come from a significantly different population than the one used in the null hypothesis? 
•What happens to the “significance” of each child’s data as the data are progressively more dispersed? 
 
In addition to the above, write a formal statement of conclusion for each child in APA style. A report template is provided for submission of your work. 
 
Note: Tables 1 and 2 are practice tables with answers. Tables 3 and 4 are the assignment tables for you to work on. 
 
Table 1 (µ = 100 seconds and σ = 10) 
 
Child Mean seconds of concentration in an experiment of reading z-score

Using the Minitab statistical analysis program to enter the data and perform the analysis, complete the following: 
•Construct a one-sided 95% confidence interval for the true difference in population means. 
•Test the null hypothesis that the population means are identical at the <a href=”https://0.05″ target=”_blank”>0.05</a> level of significance. 
 
Click here to install Minitab Software. 
 
In addition, in a Microsoft Word document, provide a written interpretation of your results in APA format. 
 
Submission Details: 
•Name your Minitab output file SU_PHE5020_W1_A3b_LastName_<a href=”https://FirstInitial.mtw” target=”_blank”>FirstInitial.mtw</a>. 
•Name your document SU_PHE5020_W1_A3c_LastName_<a href=”https://FirstInitial.doc” target=”_blank”>FirstInitial.doc</a>. 
•Submit your Minitab output file and document separately to the W1 Assignment 3 Dropbox by Saturday, December 5, 2015. 
 
Problem 3: Cross-Sectional Study 
 
In a cross-sectional study, the participants are seen at only one point of time. Two samples are said to be independent when the data points in one sample are unrelated to the data points in the second sample. 
 
The problem that demonstrates inference from two independent samples will use hypothetical data from the American Association of Poison Control Centers. 
 
There are two groups of independent data collected in different regions, which also calls for a t-test. The numbers represent the number of recorded cases of poisoning with chemicals in the homes of 100,000 people in two regions. 
 
Table 6: Cases of Poisoning With Chemicals 
 
Year Region 1 Region 2

Using the Minitab statistical analysis program to enter the data and perform the analysis, complete the following: 
•Formulate a null and an alternative hypothesis for a two-sided test. 
•Conduct the test at the <a href=”https://0.05″ target=”_blank”>0.05</a> level of significance. 
 
In addition, in a Microsoft Word document, provide a written interpretation of your results in APA format. 
 
Submission Details: 
•Name your Minitab output file SU_PHE5020_W1_A3d_LastName_<a href=”https://FirstInitial.mtw” target=”_blank”>FirstInitial.mtw</a>. 
•Name your document SU_PHE5020_W1_A3e_LastName_<a href=”https://FirstInitial.doc” target=”_blank”>FirstInitial.doc</a>. 
•Submit your Minitab output file and document separately to the W1 Assignment 3 Dropbox by Saturday, December 5, 2015. 
 
Assignment 3 Grading Criteria 
Maximum Points 
 
Initial setup of the assignment—introduction.

Accuracy of the z-scores.

Accuracy of the p-values.

Proper use of the Minitab statistical analysis tool and execution.

Provided a copy of the output.

Written interpretation of results using correct spelling, grammar, professional vocabulary, and APA format. 
30

Last Completed Projects

topic title	academic level	Writer	delivered

Are you looking for a similar paper or any other quality academic essay? Then look no further. Our research paper writing service is what you require. Our team of experienced writers is on standby to deliver to you an original paper as per your specified instructions with zero plagiarism guaranteed. This is the perfect way you can prepare your own unique academic paper and score the grades you deserve.

Use the order calculator below and get started! Contact our live support team for any assistance or inquiry.

[order_calculator]