# Nursing homework help

Nursing homework help. Week 4 Descriptive Statistics
Review all documents in the Week 4 tab. The SPSS output is provided so you can check your answers. Turn in this document with the title: WkAssn_LastnameFirstInitial_DATE. Do not submit as a paper, no APA ciattions or refernce list is required. Do not submitt SPSS output (tables) as answers to the questions.
Part I
Using the Polit2SetA data set, run descriptive statistics on the following variables: respondent’s age (age) and highest school grade completed (higrade). Create a frequency distribution for the variables: race and ethnicity (racethn) and currently employed (worknow). Create a table, example given, (in APA format) summarizing the results, using the below table shell as a model. The numbers in the table below are “dummy varaibles” and should be replaced with the numbers from the SPSS ouput. Write a paragraph summarizing the information in the table.
Table 1. Demographic Data (N = 30)
n          %         M (SD)
Age (in years)                                                           30                    15(2.4)
Highest School Grade Completed                        29                    11(1.2)
Race and Ethnicity
Black, Not Hispanic                                              14        (46.67)
Hispanic                                                       8        (26.67)
White, Not Hispanic                                               6        (20.0)
Other                                                                         2        (6.66)
Currently Employed
Yes                                                              27        (90)
No                                                                  3        (10)
Note. Differences in sample size are due to missing data.
Follow these steps when using SPSS:

1. Open Polit2SetA data set.
2. Click on Analyze, then click on Descriptives Statistics, then Descriptives.
3. Click on the first continuous variable you wish to obtain descriptives for (respondent’s age), and then click on the arrow button and move it into the Variables box. Then click on highest school grade completed and then click on the arrow button and move it into the Variables box.
4. Click on the Options button in the upper-right corner. Click on mean, standard deviation, minimum, maximum, and skewness.
5. Click on Continue and then click on OK.

To run the frequency distribution in SPSS, do the following:

1. Click on Analyze, then click on Descriptive Statistics, then Frequencies.
2. Click on the first categorical variable you wish to obtain a frequency for (race and ethnicity), and then click on the arrow button and move it into the Variables box. Then click on currently employed, and then click on the arrow button and move it into the Variables box. Click on the Statistics button in the upper-right corner, then in the Dispersion box click on Minimum and Maximum.
3. Click on Continue and then click on OK.
4. Check your work with the SPSS Week 4 Descriptive Statistics SPSS Output document.

Assignment: Create a table (in APA format) summarizing the results, using the below table shell as a model. Write a paragraph summarizing the information in the table.

Part II
For the variables respondent’s age (age) and highest school grade completed (higrade) create a histogram with a normal curve displayed over the histogram.  Do not submit the SPSS output (tables) as the answer.
To create a histogram for respondent’s age in SPSS, do the following:

1. Click on Graphs, then on Legacy Dialogs, then Histogram.
2. Click on the variable respondent’s age and then click on the arrow button and move it into the Variables box. Click on the Display Normal Curve button, which is right below the Variables box.
3. Click on OK.

To create a histogram for highest school grade completed in SPSS, do the following:

1. Click on Graphs, then on Legacy Dialogs, then Histogram.
2. Click on respondent’s age in the Variable box and click the arrow to move it back to the box on the left that contains all the variables.
3. Click on the variable highest school grade completed and then click the arrow button and move it into the Variables box. The Display Normal Curve button should alredy be on.
4. Click on OK.
5. Check your work with the SPSS Week 4 Descriptive Statistics SPSS Output document.

Assignment: Using the data obtained when you ran the descriptives and the histograms, determine whether the data skewed. If so, is it a positive, negative or neutral skew?

1. ______________________ skew
2. ______________________ skew

Part III
Using the Polit2SetA data set, run descriptive statistics on the variable “Family Income Prior Month, all sources” (Income).
Follow these steps when using SPSS:

1. Click on Analyze, then click on Descriptives Statistics, then Descriptives.
2. Click on Family Income Prior Month, all sources, and then click on the arrow button and move it into the Variables box.
3. Click on the Options button in the upper-right corner. Click on mean, standard deviation, minimum, maximum, E. Mean (standard error of the mean), and skewness.
4. Click on Continue and then click on OK.
5. Check your work with the SPSS Week 4 Descriptive Statistics SPSS Output document.

Assignment: Using the descriptive statistics for Family Income Prior Month, all sources (Income), answer the following questions:

1. What is the mean income in this sample?
2. What is the standard deviation (SD)?
3. What is the standard error of the mean?
4. Compute a 95% confidence interval around the mean. (Use 1.96 for the 95% CI and get the standard error from the descriptive statistics table). You should get a range (2 numbers) for the salary. The formula is as follows:

95% CI = [mean ± (1.96 ´ SE)]

1. Compute a 99% confidence interval around the mean. (Use 2.58 for the 99% CI and get the standard error from the descriptive statistics table). You should get a range (2 numbers) for the salary. The formula is as follows:

99% CI = [mean ± (2.58 ´ SE)]

1. Which interval is wider? Explain.

Review the corresponding Week 4 Descriptive Statistics Exercises SPSS Output document that has the SPSS output for the above problems. Compare your output with the output in the file.

Nursing homework help

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