"In this assignment lab, you will compute a t-Test analysis using the statistical functions in Excel. Instructions on how to complete the lab is located in the first tab of the t-Test Lab worksheet located in the Resources section. Prior to submitting your assignment lab review the t-Test Lab Scoring Guide to ensure you have met all of the criteria. Note: Your instructor may also use the Writing Feedback Tool to provide feedback on your writing. In the tool, click on the linked resources for helpful writing information. Resources t-Test Lab Scoring Guide. University of Wisconsin: Hypothesis Testing (Independent Groups). StatSoft Electronic Statistics Textbook: Basic Statistics. StatSoft Electronic Statistics Textbook: Basic Statistics: Purpose, Assumptions. UCLA Academic Technology Services: SAS Data Analysis Examples. Writing Feedback Tool. t-Test Lab. t-Test Lab Scoring Guide Font Size: Due Date: End of Unit 5. Percentage of Course Grade: 8%. Grading rubric t-Test Lab Scoring Guide Grading Rubric Criteria (18 total points) 0 Non-performance 1 Basic 2 Proficient 3 Distinguished State a hypothesis correctly. (3 points) Does not state a hypothesis. States a hypotheses, but it is incorrect or incomplete. States a hypothesis correctly. States a hypothesis correctly and it is followed by an explanation of criteria used to reject or fail to reject the statistical outcome. Characterize variables correctly in terms of type and level of measurement. (3 points) Does not characterize variables. Characterizes variables correctly in terms of type and level of measurement. Characterizes variables correctly in terms of type and level of measurement. Characterizes both variables correctly in terms of type and level of measurement and includes a justification. Explain descriptive statistics. (3 points) Does not explain descriptive statistics. Explains descriptive statistics acknowledged, but the are incorrect completely or in part. Explains descriptive statistics. Explain descriptive statistics, and justifies appropriate measures of central tendency and variability. Identify assumptions adequately. (3 points) Does not identify assumptions. Identifies assumptions, but are incomplete or partly incorrect. Identifies assumptions adequately. Identifies assumptions, and they are fully explained and justified. Identify and justify sample size. (3 points) Does not identify sample size, or it is incomplete. Identifies sample size, but not justified. Identifies and justifies sample size. Identifies and justifies sample size. Response includes an explanation of statistical outcomes when assumptions are not met. Evaluate cost and benefits of t-test. (3 points) Does not evaluate cost and benefits of a t-test. Lists cost and benefits of a t-test. Evaluates cost and benefits of the t-test. Evaluates cost and benefits of a t-test, which includes an evaluation.
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