6 Fill in the blanks:
A. Suppose a simple survey was sent out to all hospital discharges during the month of May. The criteria was that length of stay was at most one week long. The question asked was the following: Did you find your overall stay satisfactory or unsatisfactory. The question to be explored is whether there was a gender effect in the response.
| Male | Female | |
| Satisfied | 3 | 5 |
| Not Satisfied | 7 | 3 |
How best would you analyze this data, i. e. which statistical test would you use? ________________________
B. Give one example of a post hoc test used for multiple comparisons: ________________________
C Give one example of a Non-parametric test. ________________________
A)To test whether there is dependency between gender and satisfactory , we can use the Chi square test for attributes.
B)Example for Post hoc test is Duncan MRT which can be used for multiple comparisons.
C)Example for non parametric test is Wilcoxon signed rank test
6 Fill in the blanks: A. Suppose a simple survey was sent out to all hospital...
6) Residence ~ A survey by the National institute of health asked a random sample of young adults aged 19-25 years the following question: Where do you stay most often currently? The results of the survey are summarized in the table below. Residence type Gender Female Male Parents' home 923 986 Another person’s place 144 132 Own place 1294 1129 Group quarters 127 119 If we want to assess whether there is a relationship between residence type and gender, then...
this is for stats
Residence- A survey by the National institute of health asked a random sample of young adults aged 19-25 years the following question: Where do you stay most often currently? The results of the survey are summarized in the table below. Gender Residence type Female Male Parents' home 923 986 144 132 Another person's place Own place Group quarters 1294 1129 127 119 If we want to assess whether there is a relationship between residence type and...
Question 25 3 pts Suppose that the null hypothesis is that the medical treatment is not effective. Suppose that the medical treatment is truly effective, but a researcher does not reject the null hypothesis at the 5-percent level of significance. This researcher o is guilty of a post hoc ergo propter hoc fallacy. o has conducted a test with high statistical power. o has made a Type 1 error. o has made a Type 2 error. Question 26 3 pts...
A patient at your hospital is sent to cardiology for a routine test. The patient returns without incident, and you document the time and condition of the patient on return to the room. The next day, you are summoned to the unit manager's office, along with the charge nurse and unit secretary. The manager describes how the patient was given a dose of Glucophage the morning of the test. The physician wrote an order to hold the Glucophage for 2...
49. Where do young adults live? A survey by the National p9 727 Institutes of Health asked a random sample of young 747 aduilts (aged 19 to 25 years). Where do you live now? That is, where do you stay most often?" Here is the full twoway table (omitting a few who refused to answer and one who reported being homeless) Gender Female Male Tol 923 986 1909 Parents' home Living Another person's home 144 132 location Own place 294...
(1 point) Do male and female skiers differ in their tendency to use a ski helmet? Ruzic and Tudor (2011) report a study in which 710 skiers completed a survey about aspects of their skiing habits. Suppose the results from the question on the survey about ski helmet usage were as follows: Helmet Usage Never Occasionally 242 Gender Always 180 72 Male Female 82 Ruzic, L. and Tudor, A. (2011): Risk-taking behaviour in skiing among helmet wearers and nonwearers. Wilderness...
(1 point) Do male and female skiers differ in their tendency to use a ski helmet? Ruzic and Tudor (2011) report a study in which 710 skiers completed a survey about aspects of their skiing habits. Suppose the results from the question on the survey about ski helmet usage were as follows: Helmet Usage Never Occasionally Always 241 84 169 106 31 79 Gender Male Female Ruzic, L. and Tudor, A. (2011): Risk-taking behaviour in skiing among helmet wearers and...
1). A survey asked San Diego residents the following question: “If you had been aware that before Arnold Schwarzenegger ran for Governor, he had fathered a child outside of his marriage, would you still have voted for him?” Out of the 150 males surveyed who had voted for Schwarzenegger 84 said they would still vote for him, and out of the 120 females 51 said they would. Does the data suggest that there is a difference between the proportion of...
ST231 S20 HW6: Problem 4 Previous Probler Problem List Next Problem (1 point) Do male and female skiers differ in their tendency to use a ski helmet? Ruzic and Tudor (2011) report a study in which 710 skiers completed a survey about aspects of their skiing habits. Suppose the results from the question on the survey about ski helmet usage were as follows: Helmet Usage Never Occasionally Always 231 80 183 106 33 77 Gender Male Female Ruzic, L. and...
Question 3 Experience has shown that Male applicants to Virginia Tech score on average 3.5 points better on the science placement than Female applicants. Following a random sample of these years freshman applications for admission resulted in the data below: Gender Males Females Sample Size 25 35 Mean Score 71.5 71.2 Standard deviation 10.3 11.2 A) Is there sufficient evidence that males score significantly better at the alpha-0.05 level. (10 points) For the next four questions state which inference procedure...