# Assignment: Introduction to Quantitative Analysis: Confidence Intervals

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### Question Description

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

Emmywriter
School: UC Berkeley

Attached.

COURAGE INTERLUDE EVALUATION
Student’s Name:
Instructor’s Name:
Course:
Date:

1

COURAGE INTERLUDE EVALUATION

2

Hours Watching TV per Day
Valid

1669

Missing

869

Mean

2.98

Median

2.00

Mode

2

Standard Deviation

2.587

Skewness

3.142

Std. Error of Skewness

0.06

Kurtosis
Std. Error of Kurtosis

17.573
0.12

Range

24

Minimum

0

Maximum

24

Std.
Statistic

HOURS PER DAY

Mean

2.98

WATCHING TV

95% Confidence

Lower

Interval for Mean

Bound
Upper
Bound

...

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Anonymous
awesome work thanks

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