Res/351 Week 5 Individual Assignment Essay

|1. |An insurance representative wants to determine if the proportions of women and men who buy the different policy types are the |

Measurement that shows the order or rank of items. An example of ordinal could be ranking places in a contest, or test scores.

b. Ordinal: This is a measurement that represent the order of a particular stat. A good example of this would the placement in a contest, 1st, 2nd, and 3rd.

Answer: This is a ordinal variable since education level is ordered from less to higher education and is put into 4 categories.

1. The table below presents data for a sample of people who completed a religious survey.

Ordinal data has the variables that include rank and satisfaction. An everyday example of ordinal data can be surveys.

Consider the following scenario in answering questions 5 through 7. In an article appearing in Today’s Health a writer states that the average number of calories in a serving of popcorn is 75. To determine if the average number of calories in a serving of popcorn is different from 75, a nutritionist selected a random sample of 20 servings of popcorn and computed the sample mean number of calories per serving to be 78 with a sample standard deviation of 7.

H_a: μ 30 we will use a z-test for the mean to test the given hypothesis.

At one school, the average amount of time that tenth-graders spend watching television each week is 18.4 hours. The principal introduces a campaign to encourage the students to watch less television. One year later, the principal wants to perform a hypothesis test to determine whether the average amount of time spent watching television per week has decreased. Formulate the null and alternative hypotheses for the study described.

The sample size in this speculation is greater than 30, therefore, The Central Limit Theorem (CLT) will apply, and no assumptions need to be made.

An article was chosen from the University Library to evaluate the issue of unethical business research conduct. The article chose is called Flacking for Big Pharma: Drugmakers Don't Just Compromise Doctors; They Also Undermine the Top Medical Journals and Skew the Findings of Medical Research . The identification of the unethical business research involved in the article is given. The parties involved along with effected party is mentioned. The evaluation of the article also identifies how the unethical behavior affected the organization, injured party, and society. A proposition of

Conclusion : Reject the null hypothesis. The sample provide enough evidence to support the claim that mean is significantly different from 12 .

The approach to the research was a quasi-experimental study. The article did not explain why this type of study was used, but this particular kind of study is considered appropriate for this specific type of

The variable involvement with Greek life was measured by the question “What is your current involvement with Greek life on campus?”. The person being interviewed was given four options to answer this question: 1) in a sorority, 2) in a fraternity, 3) work closely with one or more of these groups but not a member, and 4) not involved. After conducting the interviews and reviewing the master data set, this variable was broken down into two categories. The two categories were coded as not involved and involved and was broken down by splitting the data as close to a 50/50 split as possible. Not involved included the answer category not involved which was coded with the number 4 and involved included the answer categories in a sorority, in a fraternity and work closely with one or

The frequency tabulation was used by the researcher to present the level of distribution categories of the respondents. Figure 4.4.2 presents the results as shown below;