Hlt 362 v statistics - Study guides, Class notes & Summaries

HLT 362 V GCU QUIZ 1

HLT 362 V GCU QUIZ 1 Quiz 1 1. When a researcher uses a random sample of 400 to make conclusions about a larger population, this is an example of: o Descriptive statistics o Demographics o Inferential statistics o Dependent variables 2. If a study is comparing number of falls by age, age is considered what type of variable? o Interval o Ordinal o Ratio o Nominal 3. Validity is: o A data item, such as characteristics, numbers, properties, or quantities, that can be measured or counted. o The exte...

Application of Statistics in Health Care Grand Canyon University HLT 362 V Application of Statistics in Health Care Health statistics help us to understand the impact of change in the healthcare industry. Monitoring of the collected data, utilizing the results or trends established by this data, and planning and implementing change based on this best evidence allows healthcare workers to promote health, provide for health prevention, and establish better patient outcomes. Health statis...

HLT-362V-Applied Statistics for Health Care Professionals Quiz 2 1. To obtain a sample of 20 patients in ICU, clinician goes to the ICU and selects the current patients. This is an example of a: A. Judgement sampling B. Snowball sampling C. *Convenience sampling D. Simple random sampling 2. A Type I error is committed when _____. A. We do not reject a null hypothesis that is true. B. We do not reject a null hypothesis that is false. C. *We reject a null hypothesis that is true. D...

HLT362v Date 1/14/17 Section EXERCISE 33 Calculating Analysis of Variance (ANOVA) and Post Hoc Analyses Following ANOVA 1. Do the data meet criteria for homogeneity of variance? Provide a rationale for your answer. When doing a Leven’s test, you test the equal variances assumption. The p value of hours worked post treatment = 0.455. This indicate that there is not any significant differences between the three groups variances. Therefore the data does not meet the criteria for h...

HLT 362 V Applied Statistics for Health Care Professionals Week 1 Quiz

EXERCISE 29 Calculating Simple Linear Regression 1. If you have access to SPSS, compute the Shapiro-Wilk test of normality for the variable age (as demonstrated in Exercise 26). If you do not have access to SPSS, plot the frequency distributions by hand. What do the results indicate? The frequency distribution was not statistically significant as the Shapiro-Wilk p value was 0.357. Tests of Normality Kolmogorov-Smirnova Shapiro-Wilk Statistic df Sig. Statistic df Sig. StudentAge ...

HLT 362 V GCU Quiz 1 When a researcher uses a random sample of 400 to make conclusions about a larger population, this is an example of: Descriptive statistics Demographics Inferential statistics Dependent variables If a study is comparing number of falls by age, age is considered what type of variable? Interval Ordinal Ratio Nominal Validity is: A data item, such as characteristics, numbers, properties, or quantities, that can be measured o...

If you are conducting a study on the impacts of diet and exercise on high blood pressure and you take a proportional sample based upon race/ethnicity, this would be an example of: Simple random sample Cluster sampling Stratified sampling Convenience sampling If a researcher does not select the appropriate level of significance (alpha) based upon prior research or industry standard and concludes that the study found a statistical difference when in fact there was no d...

HLT 362 V GCU QUIZ 1 Quiz 1 1. When a researcher uses a random sample of 400 to make conclusions about a larger population, this is an example of: o Descriptive statistics o Demographics o Inferential statistics o Dependent variables 2. If a study is comparing number of falls by age, age is considered what type of variable? o Interval o Ordinal o Ratio o Nominal 3. Validity is: o A data item, such as characteristics, numbers, properties, or quantities, that can be measured o...