WorksheetsBiostatistics Pre- Test
Total questions: 10
Worksheet time: 6mins
If you were to plot a set of hygiene quiz scores:
100,100,97,97,90,90,86,85,80,80,75. What type of skew would you have?
Stratified skew
Standard deviation
Positive skew
Negative skew
None of the answers are correct
Which biostatistics research sample gives an equal chance of appearing and reduces the chance of bias.
Judgment
Systematic
Convenience
Random
All of the following are measures of central tendency EXCEPT:
Range
Mean
Median
Mode
You are comparing two mean scores. What would you use to analyze the two scores?
Anova
P-value
T-test
T-value
None are correct
What is the best statistical measure for a group of 15 mean scores?
T-Test
Anova
P value
Standard deviation
Which of the following best describes a bell curve?
Used to represent a relationship of a correlation between variables
More scores in the higher range
Even distribution
More scores in the lower range
Which is the most frequently occurring number of score know as in this data set. 1,3,5,6,6,6,7,10
Mode
Median
Mean
Range
What is the MODE of the following numbers?
4,5,3,7,8,8,9,9,10,4
4
8
9
10
Define what n represents.
n=
(a)
What is the best statistical measure for a group of 15 mean scores?
T-Test
Anova
P value
Standard deviation
