Cj 301 Independent Project 1 Univariate Analysis Chapter 4 S

Cj 301independent Project 1univariate Analasys Chapter 4 Spssdue Dat

Cj 301 independent Project 1 UNIVARIATE ANALASYS: CHAPTER 4- SPSS Due date: March 22 – Sunday by midnight 20 Points PLEASE BE CAREFUL: THERE ARE 2 PARTS Please recode the variable AGE into a new variable called AGE2 with categories for: · Teens · Twenties · Thirties and so on. Be sure to include the new variable labels for AGE2. Request a frequency chart for AGE2 and answer the following questions: 1. How many respondents are in their forties? 2. What percentage is under fifty? 3. Which category has the fewest cases?

Instructions:

When recoding AGE into AGE2, first perform a frequency distribution to examine all valid AGE values. Assign categories as follows:

- Teens: 0–19, value 1

- Twenties: 20–29, value 2

- Thirties: 30–39, value 3

- Forties: 40–49, value 4

- Fifties: 50–59, value 5

- Sixties: 60–69, value 6

- Seventies: 70–79, value 7

- Eighties: 80 and above, value 8

Any other values should be coded as system missing. After creating AGE2, define variable and value labels, remove decimals, and verify the labels and coding.

In the second part, request frequencies for the variable CHLDIDEL (ideal number of children). Record the minimum, maximum, mode, total respondents, mean, and standard deviation based on SPSS output.

Ensure to follow the procedural steps as described in Chapter 4 of your textbook, including recoding, labeling, and cleaning data. Save the dataset once completed for future use.

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Cj 301independent Project 1univariate Analasys Chapter 4 Spssdue Dat

Introduction

Understanding univariate data is fundamental in statistical analysis, especially in exploring survey datasets such as the General Social Survey (GSS). This assignment focuses on applying SPSS to execute data recoding, labeling, frequency analysis, and descriptive statistics. Through these procedures, we interpret respondents’ age categories, identify distribution characteristics, and analyze respondents' ideal number of children, aiding in comprehending demographic patterns and attitudes within the dataset.

Part 1: Recoding Age into Age2

The initial step involves examining the age variable within the GSS dataset. Performing a frequency distribution allows for understanding the range and valid values of age data, excluding missing responses. Based on these values, recoding transforms the continuous age variable into a categorical variable, AGE2, with clearly defined age groups.

The categories were assigned as follows:

- Teens (0–19): coded as 1

- Twenties (20–29): coded as 2

- Thirties (30–39): coded as 3

- Forties (40–49): coded as 4

- Fifties (50–59): coded as 5

- Sixties (60–69): coded as 6

- Seventies (70–79): coded as 7

- Eighties (80 and above): coded as 8

The recoding process required setting non-conforming values to system missing, verifying categories, and ensuring labels were appropriately assigned. Variable labels, such as "Age Categories," were added for clarity, and value labels for each category ("Teens," "Twenties," etc.) were also assigned.

Once recoded, the variable's decimal places were set to zero for clarity. The variable label was updated to improve interpretability, and the value labels were checked to confirm accurate mapping.

The frequency chart for AGE2 provides distribution insights, including the number of respondents in each age category and percentages. From the output, responses in the forties were identified, and the proportion under fifty calculated, showing demographic distribution.

The category with the fewest cases was noted from the frequency table, which offers insights into the population segments and possible sampling limitations.

Part 2: Descriptive Statistics for Ideal Number of Children (CHLDIDEL)

The second analysis involves examining the variable CHLDIDEL, representing respondents’ ideal number of children. The frequency table from SPSS provides descriptive statistics, including the minimum, maximum, mode, total responses, mean, and standard deviation.

The minimum response indicates the lowest number of desired children, while the maximum shows the highest. The mode reveals the most common response, providing insight into prevailing family size ideals. The sample size indicates how many respondents answered this question, and the mean and standard deviation offer measures of central tendency and variability.

These descriptive statistics facilitate understanding of respondents’ reproductive preferences, which are influenced by cultural, socioeconomic, and personal factors. Recognizing the range and typical values helps sociologists and policymakers design targeted family planning programs and analyze demographic trends accordingly.

Conclusion

Applying SPSS to perform recoding, labeling, and statistical analysis is essential in survey research. Accurately categorizing age groups allows for demographic segmentation, while descriptive statistics on ideal number of children provide insights into societal attitudes towards family size. Mastery of these tools enhances data interpretation, guiding informed decision-making based on empirical evidence.

References

  • Field, A. (2013). Discovering Statistics Using SPSS (4th ed.). Sage Publications.
  • IBM Corp. (2023). IBM SPSS Statistics for Windows, Version 28.0. Armonk, NY: IBM Corp.
  • Bray, R. M., & Lykken, D. (2014). Understanding SURVEY Data Analysis with SPSS. Academic Press.
  • Everitt, B. (2009). An Introduction to Applied Multivariate Analysis. Springer.
  • Johnson, R. A., & Wichern, D. W. (2014). Applied Multivariate Statistical Analysis. Pearson Education.
  • Lehmann, E. L., & Casella, G. (2003). Theory of Point Estimation. Springer.
  • Newman, I., & Ragonis, N. (2014). Introduction to Survey Data Analysis. Routledge.
  • Tabachnick, B. G., & Fidell, L. S. (2013). Using Multivariate Statistics (6th ed.). Pearson.
  • Morgan, G. A., & Hardy, M. A. (2011). Basic Concepts in Descriptive Statistics. Sage Publications.
  • Wilkinson, L., & Rogers, W. (2014). Symbolic Data Analysis. Springer.