Time to Pratice Essay

1. For the following scores, find the mean, median, and the mode. Which would be the most appropriate measure for this data set?

Cross-tabulation and chi square will be use to organize the data do that determining the counts or percentages for combinations of categories across two or more categorical variables and investigate the relationship between variables will be easy. Questions like:

The information gathered helps provide updates and changing patterns, needs of health, it helps to identify the changing communication trends and practices in the health community (HINTS). The respondents are 18 and over. HINTS in 2007-2008 had 7,700 respondents; the respondents were chosen from a cross-sectional, stratified random sampling (HINTS 2007). HINTS accomplished this by two methods of random sampling, one sample was obtained using Address Based Sampling (ABS) through the mail, and the other method that was used was from Random Digital Dialing (RDD) and telephone interviews (HINTS2007). I will compare three variables from the HINTS dataset; gender, age of respondents, and marital status. Gender is being used as an independent nominal variable. Gender is being evaluated with the GENERN variable, the respondents were asked, “Are you male or female?” the values being used were 1.00 for males and 2.00 for females. Age is also being looked at, the AGEGRPA is the variable that took the respondents age groups and recoded them into four levels. Marriage status is being used as a dependent nominal variable, marriage status is what I am most interested, the other variables are being used to explain why the respondents their marital status. The marital variable in the HINTS data set is HD06MARTITALSTATU, the respondents were asked, “What is your marital status? Would you say...married, living as married, divorced, widowed, separated, or single, never been

Complete exercises 10.55, 10.57 (parts a and b only), 10.59 (part a only), 10.61 (part a only). You will need:

If John gets an 90 on a physics test where the mean is 85 and the standard deviation is 3, where does he stand in relation to his classmates? (he is in the top 5%, he is in the top 10%, he is in the bottom 5%, or bottom 1%)

6. Use IBM® SPSS® software to compute all the descriptive statistics for the following set of three test scores over the course of a semester. Which test had the highest average score? Which test had the smallest amount of variability?

What do these variables represent (i.e., what information/question is being asked and answered for each variable)? In order to provide a complete and appropriate answer to this question, you will need to look at the variable labels and values (response options) in the SPSS file and the GSS codebook for additional information (i.e., what missing categories are available for coding, what year(s) was/were these questions asked). {Remember: Just because I am not asking you for descriptives and frequency tables does not mean that you shouldn’t run them to look at the distribution of responses. That information may be helpful in answering this

The standard deviation was 20.86. For the SAT Verbal, the mean was 595.05, the median was 598.5, and the mode was 590. The standard deviation was 16.197. For the Test Anxiety Questionnaire, the mean was 24.25, the median was 23.5, and bimodal of 20 and 37. The standard deviation was 8.098.

1. By hand (without using SPSS), compute the mean, median, and mode for the following set of 40 reading scores:

The second question I asked was what the participant’s gender was. This question just gave me a better idea of the kind of audience that was taking my survey. I expected more women to take the time to fill it out. I was correct, 77% of those that took the survey were female, the other 23% being male.

1The purpose of this paper is to perform a chi-square analysis after watching the assigned video. Data taken from a given table will be entered on the SPSS data set with intend to obtain an output. The cross-tabulation table will be highlighted in the output document. Then the highlighted output will be submitted to the instructor.

We used SPSS version 20.0 (SPSS Inc., IBM, USA) in statistical analysis and results are expressed as mean ± standard deviation

This paper is an illustration of quantitative data analysis using the IBM SPSS Statistics software. It does not provide the details of technical skill to operate SPSS but focuses on developing a set of decisions and actions in order to set up, describe, manipulate and analyse data in the specific context of the study of Jackson and Mullarkey (2000). In order to fulfil the task, this paper illustrates a step-by-step of actions that were made on the data. It also gives the insight into the determination of each step that helps interpret the findings from the data.

Answer this question for the four studies below: Which statistical test you would use to analyze the data collected for these variables?

Descriptive analysis can be used to summarize the data, the data was processed in SPSS and descriptive analysis test was done in order to produce the summary of the data as shown in table 6. The descriptive analysis in the table 6 shows the total number of valid and missing variavles along with its mean, standard deviations.