Recent evals Flashcards
If a teacher computes the mean for a set of test scores and then subtracts this mean from each score, the sum of the resulting set of difference scores will equal to:
Zero
The difference between the highest observed value and the lowest observed value:
Range
What response variables are mentioned in the study?
Breast cancer and colon cancer
What graphical presentation is best suited for distributions having a discrete basis of classification?
Vertical bar diagram
Which statement is true of a frequency polygon?
We are interested with measurement of area
When a researcher is interested with the leading causes of infant mortality in Region XI, the following graphical presentation is/are preferred?
Horizontal bar diagram
What graphical presentation is best suited for distributions having a discrete basis of classification?
Vertical bar diagram
In this distribution, the points above the median will tend to be farther from the median in absolute value than points below the median?
Skewed to the right distribution
For distribution of infants according to illness
Vertical bar diagram
50% of neonates die in the ______ of life.
First 2 days
To decrease childhood mortality, unchanged:
Neonatal mortality
Amount of fat in a person’s diet is:
a) a confounding variable
b) Dependent variable
c) Response variable
d) Independent variable
e) None of the above
d) Independent variable
The risk to breast cancer is not conclusive among women whether she is on high fat or extremely lean diet. This means that breast cancer is not considered as dependent variable in the study
a) True
b) False
c) Cannot be determined
b) False
Dot diagram
a) Correlation data for two quantitative variable
b) Discontinuous variable
c) This is used for qualitative data
d) None of the above
a) Correlation data for two quantitative variable