_____1. Which is false about instrumental technique? It is a gadget/tool that_____.
A. Ensures internal validity B. Aids in measuring quantitative properties of a variable
C.Aids in measuring qualitative properties of a variable D. has low precision
Use these choices to identify the instrument used for a certain measure 2-6: A. pH Meter B. diversity index C. Drop Method D. Maximum weight capacity E. Voltammetry
_____2. acidity level
_____4. Water absorbance
_____6. Trace Metals
Use the following choice to answer # 7-9. A. Observation B. Interview C. Experiment D. Documents
_____7. Collection of data through conversation with the respondents.
_____8. Behavior of a researched subject is watched and recorded.
_____9. Careful steps of scientific methods are used.
_____10. Which does not refer to the usefulness of a concept map? A. easiness to read B. unification of a theme at short glance C. shows relationships easily D. illogically ordered
_____11. Which symbol shows that irreversibility of the event? A. B. C. D.
_____12. What pattern can be established from the % mortality rate vs. fruit juice dose data below? A. Directly proportional B. Inversely Proportional C. Can’t be determined D. no pattern
Fruit juice dose
(ul/mouse) % Mortality
_____13. What is the pattern when data of a certain variable increases as the other variable increases? A. Directly proportional B. Inversely Proportional C. Can’t be determined D. no pattern
_____14. Weight is a/an _____ data. A. Qualitative B. Quantitative C. Quanti & Qualitative D. none of these
_____15. Color is a/an_____data. . Qualitative B. Quantitative C. Quanti & Qualitative D. none of these
Use these choices to answer #s 16-22. A. Nominal B. Ordinal C. Interval D. Ratio
_____16. has true zero
_____17. No quantitative value
_____18. Use in ranking
_____19. I.D. Numbers
_____22. Weight in Kg
Use these choices to answer #’s 23-24. A. photograph B. photomicrograph C. linear D. non-linear graph
_____24. Prokaryotic Cell Structure
_____25. Y-axis in a graph is ____variable. A. Dependent B. Independent C. either D. neither
_____26. X-axis in a graph is____ variable A. Dependent B. Independent C. either D. neither
_____27. Which is the correct write-up for this chart?
A. Plasma concentration increases with time.
B. Plasma concentration decreases as time increases.
C. Plasma concentration is not affected by time.
D. There is no relation between Plasma concentration
_____28. Which is correct statement of this Temperature
A. As temperature increases volume also increases.
B. As temperature increases volume decreases.
C. There is an inverse relationship between temperature.
D. There is no relationship between temperature and
Use these choice to answer numbers 29-38. A. mean B. median C. mode D. standard deviation E. range F. t-test for independence samples G. t-test for correlated samples H. ANOVA I. Pearson Correlation
_____29. Measures centrality in a slightly difference in values.
_____30. Measures centrality in a large difference of data.
_____31. Measures centrality in terms of frequency.
_____32. Measures centrality in terms of the mid-point.
_____33. The difference between the lowest value and the highest value.
_____34. Measures the distance away from the mean.
_____35. What is an appropriate statistical measure for post test and pretest?
_____36. What is an appropriate statistical measure for a study about treated vs. untreated?
_____37. A statistical measure appropriate for multi-independent groups.
_____38. A statistical measure appropriate for relationships.
_____39. A non-linear text is/has ___. A. with a fairly definite beginning, middle and ending B. more associative C. single path D. limited choices
_____40. Which is a non-linear text to explain the graph found in #27? A. Plasma is another form of a gas. It is also packed with great energy.
B. Plasma is another form of a gas that has tremendous energy. The release of energy increases with time.
C. Plasma is another form of a gas. Plasma’s energy increases as time changes.
D. Plasma is another form of a gas. This is affected
#41-50. Problem solving (10 pts). Generate a hypothesis and use an appropriate statistical tool to decide whether to reject or accept it.
In a study designed to discover whether men or women drink more coffee, a researcher (working on a very limited budget) observes five men and five women randomly selected from her university department. Here's what she found:
Number of Cups of coffee in 1 day at work
At α = .05, who drank more coffee?