Definitions
Most frequently occuring score
Mode
Pocket depths reported for a patient were
3,4,2,5,3
what is the median
3
Data plotted with rectangular bars or columns that represent the values for the various categories
Bar graph
Null hypothesis is true and accepted
No Error
What is an acceptable P value
0.05 or less
Computation includes only the highest and lowest scores in the distribution
Range
Bleeding sites per quadrant
2,3,2,4,2,5
what is the mode
2
Bar graph except the bars of a histogram are joined (touching)
Histogram
Null hypothesis is not accepted and false
No Error
Most common nonparametric test
Chi-square test
Square root of variance
Standard Deviation
A hygienist reported the number of patients seen per day over 5 days
12,15,10,13,10
what is the mean
12
The value of one variable is plotted on the x-axis against the value of the second variable on the y-axis.
Scattergram
Null hypothesis is Not accepted but true
Type I alpha error
One standard deviation percentage
68%
Descriptive
A list was obtained for a clinics patients ages
17, 24, 32, 12, 7, 56, 67 ,68 , 72
what is the range
65
Circular graph that illustrates numerical proportion by dividing the whole circle or pie into section
Pie chart
Null hypothesis is accepted but false
Type II Beta error
Difference between the means of two data sets that is parametric
T-test
Analyze sample data to make inferences about the larger population (generalization) from the sample data
Inferential statistics
Two averages from a study are listed
72
56
what is the t-test score?
64
Line graph that portrays the frequencies of continuous data.
Frequency Polygon
Who teaches Community
Professor Quinn
ANOVA stands for
Analysis of variance