Time to Pratice Essay

1869 Words Jun 6th, 2015 8 Pages
University of Phoenix Material

Time to Practice – Week Two

Complete Parts A, B, and C below.

Part A

1. Why is a z score a standard score? Why can standard scores be used to compare scores from different distributions? It is a scores relationship to the mean indicating whether it is above or below the mean. It does this by converting scores to z score. Yes – keep going – just a bit more is needed.2 out of 3 pts

2. For the following set of scores, fill in the cells. The mean is 74.13 and the standard deviation is 9.98.

|Raw score |Z score |
|68.0 |-.6142 |
|?58.16 yes! |–1.6 |
|82.0 |.789 |
|92.09 |1.8 |
|69.0
…show more content…
This data is available on the student website under the Student Text Resources link.

The data sets for problems 5 and 6 can be found through the Pearson Materials in the Student Textbook Resource Access link, listed under Academic Resources. The data is listed in the data file named Lesson 20 Exercise File 1. Answer Exercises 5 and 6 based on the following research problem:

Ann wants to describe the demographic characteristics of a sample of 25 individuals who completed a large-scale survey. She has demographic data on the participants’ gender (two categories), educational level (four categories), marital status (three categories), and community population size (eight categories).

5. Using IBM® SPSS® software, conduct a frequency analysis on the gender and marital status variables. From the output, identify the following:

a. Percent of men b. Mode for marital status c. Frequency of divorced people in the sample
Please enter the numbers here so that I know that you know how to read the SPSS output. Please paste your SPSS output right here where it belongs.
2 out of 3 pts
6. Using IBM® SPSS® software, create a frequency table to summarize the data on the educational level variable. Copy and paste the output from IBM® SPSS® into this worksheet.
I can’t find the correct SPSS output. 0 out of 3 pts
7. The data set for this problem can be found through the Pearson Materials in the Student Textbook Resource Access link,

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