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Stats T2.pdf
- Institution
- Dental Hygiene Oxford College Semester I
Exam of 6 pages for the course Dental Hygiene Oxford College Semester I at Dental Hygiene Oxford College Semester I (Stats T2.pdf)
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If ur reading this we boutta get 100 >:)Fluoride decreases the incidence of dental caries. In a series of dental research, a new fluoride
has been developed that reduces cavities by 79% and the p-value is 0.25. Which one of the
following statements best describes this research?
a) This research is absolutely statistically significant
b) This research is neither clinically nor statistically significant
c) This research is clinically significant but not statistically significant
d) It is not possible to evaluate the clinical and statistical significance of this research.
Which one of the following statements is inappropriate to the mixed research?
a) It is not accurate in resolving discrepancies
b) Data collection can involve any applicable technique
c) It needs less resources than quantitative research lonely
d) It explains findings more widely and comprehensively
The data of 5 systolic pressure (mm Hg) are shown in the following table. What is the range
of systolic pressure?
1 2 3 4 5
120 234 122 232 140
112
109
116
114
, Which one of the following statistical concepts is inferential?
Range
Standard deviation
Median
Correlation
Which one of the following statistical techniques is used for combining the results of several
independent research studies?
Regression analysis
Correlation
ANOVA
Meta-analysis
What is NNT if we need to prescribe an anti-parasitic drug for 55 patients diagnosed with
malaria before at least one adverse reaction is prevented?
It is not calculable.
1
54
55
How many types of correlation can be identified in statistical analysis?
3
4
2
5
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