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How did the researchers justify the use of both types of t-tests? Do you think using both types of t-tests is preferred than using just one (either repeated or independent)? Discuss the sample size in the Sumter County sample. Discuss the validity of the design with just 5 participants. In the article, the authors indicate […]

S. FDA is responsible for approving new drugs. Many consumer groups feel that the approval process is too easy and, therefore, too many drugs are approved that are later found to be unsafe. On the other hand, a number of industry lobbyists have pushed for a more lenient approval process so that pharmaceutical companies can […]

The 2 Independent Samples and Paired Data Samples Excel sheets are needed for this activity. Access the Excel sheets by Clicking on the Class Survey Data File icon on the Home Page. You must use your sdsu.edu account to access. You must download the file to use the data. Below are 2 Word files: follow […]

The study found that 3103 children had a diagnosis of autism spectrum disorder (ASD) and the remaining 193,826 did not. Below is a summary table from the publication. Q1.1 2 PointsThe value 82% listed in this table is part of: Choice 1 of 4:The conditional distribution of ASD diagnosis, given sexChoice 2 of 4:The conditional […]

The study found that 3103 children had a diagnosis of autism spectrum disorder (ASD) and the remaining 193,826 did not. Below is a summary table from the publication. Q1.1 2 PointsThe value 82% listed in this table is part of: Choice 1 of 4:The conditional distribution of ASD diagnosis, given sexChoice 2 of 4:The conditional […]

Complete all of the questions in bold on the PDFs on a separate document. Answer them in detail with at least 3 complete sentences for each when possible. Also, complete the full excel sheet and all of its parts according to the instructions on the attached PDFs. Some data need to be graphed where mentioned […]

think of an opportunity or challenge your organization or department is currently facing and ask a management question to address it. You will also need to collect data that is relevant to your question and analyze it; thus, it is important to focus on a topic you can investigate through available to you data. Examples […]

Assume that SAT-M scores have a normal probability distribution. One of the criteria for admission to a certain engineering school is an SAT-M score in the 98th percentile. This means the score is in the top 2% of scores. Find the actual SAT-M score marking the 98th percentile? Show your work. Interpret your result. Note: […]

Let x = number of heads in n coin flips. You need to record all your results, as you will be required to construct a frequency table as well as a histogram. First ExperimentFlip a coin 10 times and record the number of heads. Repeat step (1) 50 times. Each time record the number of […]

The researcher hypothesizes that there will be a difference in mean PSA between the two groups. We are assuming that PSA levels have a symmetric distribution. The 95% confidence interval for the difference in mean PSA between age groups was (0.2, 6.0). What can you conclude from this confidence interval? Group of answer choicesWe are […]