STAT 200 Assignment 3 Template
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Assign3Template.docxAssignment #3: Inferential Statistics Analysis and Writeup
Editing note: Delete all instructions in your final submission.Make sure all tablesare complete on the same page – that they are NOT split across 2 pages!
Identifying Information
Student (Full Name):
Class:
Instructor:
Date:
Part A: Inferential Statistics Data Analysis Plan and Computation
INTRODUCTION
Use all the 30 observations in the given data set for the analysis.
Begin with a short paragraph describing your scenario, including the reason for this analysis.
Provide a second paragraph briefly describing the data set that you are using for your analysis.
Use complete sentences!
Table 1: Variables Selected for Analysis
Fill in the table with your qualitative socioeconomic variable and your 2 expenditure variables.
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Variable Name |
Variable Type |
Description |
Qualitative or Quantitative |
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Socioeconomic |
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Qualitative |
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|
Expenditure |
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|
Expenditure |
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|
CONFIDENCE INTERVAL ANALYSIS
For one expenditure variable, estimatethe population parameter for the measure of center and complete the following table.
Table 2: Confidence Interval Information and Results
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Name of Variable:
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State the Random Variable and Parameter in Words:
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Provide the confidence interval formula and confidence level:
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State and check the assumptions for confidence interval:
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Calculation of the sample statistic and the confidence interval:
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Statistical Interpretation:
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HYPOTHESIS TESTING
Using your qualitative socioeconomic variable to group the otherexpenditure variable into two groups. Then conduct a two sample hypothesis testand complete the following table.
Table 3: Two Sample Hypothesis Test Analysis
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Research Question:
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Two Sample Hypothesis Test that Will Be Used:
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State the Random Variable and Parameters in Words:
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State the Null and Alternative Hypotheses and the Level of Significance:
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Calculation of the sample statistic, test statistic, and p-value:
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Conclusion Regarding Whether or Not to Reject the Null Hypothesis:
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Real-world interpretation |
Part B: Results Write Up
Confidence Interval Analysis:
Provide a brief paragraph describing the results of your confidence interval analysis. Include the statement of the question, the CI with the level of confidence, and the real-world interpretation of the CI.
Two Sample Hypothesis Test Analysis:
Provide a brief paragraph describing the results of your hypothesis test. Include the statement of the question, the p-value, and the real-world interpretation of the results. The word “hypothesis” should not appear in your interpretation of the results!
STAT200: Assignment #3 - Inferential Statistics Analysis and Writeup Page 1 of 4
