# Introduction to Quantitative Analysis: Confidence Intervals

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# Assignment: Introduction to Quantitative Analysis: Confidence Intervals

In your Week 2 Assignment, you displayed data based on a categorical variable and continuous variable from a specific dataset. In Week 3, you used the same variables as in Week 2 to perform a descriptive analysis of the data. For this Assignment, you will calculate a confidence interval in SPSS for one of the variables from your Week 2 and Week 3 Assignments.

To prepare for this Assignment:

• Review the Learning Resources related to probability, sampling distributions, and confidence intervals.
• For additional support, review the Skill Builder: Confidence Intervals and the Skill Builder: Sampling Distributions, which you can find by navigating back to your Blackboard Course Home Page. From there, locate the Skill Builder link in the left navigation pane.
• Using the SPSS software, open the Afrobarometer dataset or the High School Longitudinal Study dataset (whichever you chose) from Week 2.
• Choose an appropriate variable from Weeks 2 and 3 and calculate a confidence interval in SPSS.
• Once you perform your confidence interval, review Chapter 5 and 11 of the Wagner text to understand how to copy and paste your output into your Word document.

For this Assignment:

Write a 2- to 3-paragraph analysis of your results and include a copy and paste of the appropriate visual display of the data into your document.

Based on the results of your data in this confidence interval Assignment, provide a brief explanation of what the implications for social change might be.

Ryann N
School: Rice University

Attached.

Confidence Interval
Name
Institution

1

CONFIDENCE INTERVAL

2

Confidence interval plays a key role in providing the range within which the true value
from the actual can be determined based on the sample size provided. The confidence interval is
calculated based on a given confidence level which highlights the degree of error that is provided
within a given rese...

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