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WorksheetsCCRM 4013 SET I
Total questions: 40
Worksheet time: 40mins
What is the purpose of research? Select 3.
Gain and acquire knowledge
Solve
Prove
Describe
Explain
What is the purpose of research? Select 2
Predict
Evaluate
Control
Explore
In conducting research, put the following steps in the order they should be completed:
A) literature review
B) methods
C) conclusion
D) analysis
E) problem statement
F) data
A - F
B, C, E, F, A, D
E, A, B, F, D, C
F - A
A, E, F, B, D, C
A researcher believes his test prep system will increase test scores. He randomly divides his subjects into two groups and gives one group the test prep in the other no prep. He then compares the scores on the next test. What type of research study is this?
Experimental
Ethnographic
Narrative
Case-study
Correlational
In an experiment, to see if two groups have a statistically significant difference, most staticians perform a(n) _________ to obtain a P-value
hypothesis test
independent t-test
statistical test
alpha test
What type of variable is used on a study or test that ranks competitors from best to worst?
ordinal
nominal
ratio
interval
What type of variable is used in a test that provides a rating with a known distance and a true zero point?
ordinal
nominal
ratio
interval
What type of variable is used in a test that provides a rating such as likert scale responses?
ordinal
nominal
ratio
interval
What type of variable describes categorical data?
ordinal
nominal
ratio
interval
Fill in the steps of the scientific method:
1) _____________________
2) formulate hypothesis
3) _____________________
4) _____________________
5) make conclusions
6) confirm or disconfirm hypothesis
establish method
data collection
analyze findings
assemble a team
identify the problem
Identify the true statement.
A is the median, B is the mean
A is the median, C is the mean
B is the median, A is the mean
C is median, A is the mean
B is the median, C is the mean
Wicomico County Public Schools randomly selected 230 teachers to find out which technology resource it's teachers feel is the most effective.
What do you call the graph which uses horizontal or vertical bars to represent data?
Bar Graph
Line Graph
Pictograph
Pie graph
What year has the lowest amount of money invested?
2010
2011
2012
What is the mean of the two middle numbers?
Mean
Median
Middle
Mode
The number that occurs most often in data set is called ____.
Mean
Median
Mode
Redundant
What is the possible set of data if it has a mean of 50?
45, 60, 45, 75, 25, 60, 40
50, 50, 50, 50, 45, 5, 50
45, 65, 45, 75, 25, 65, 45
45, 45, 45, 65, 65, 65, 50
Edna's Math test score were 79, 51, 83, 76, 99, 75, 73, 84, and 77. What is Edna's average test score?
77
77.44
78
78.44
It is the difference between the lowest and highest number on a particular scale.
Power
Order
Range
Sum
These measures include variance, standard deviation, and standard error of the mean.
Measures of Central Angle
Measures of Central Tendency
Measures of Position
Measures of Variability
What is the element that not in group of measure of central tendency?
mean
variance
mode
median
A p-value of P=0.05 means
there is a 0.05% probability the results are due to chance
there is a 0.5% probability the results are due to chance
there is a 50% probability the results are due to chance
there is a 5% probability the results are due to chance
The "p" in p-value stand for:
Population
Probability
Popularity
Popcorn
What is a hypothesis?
an educated guess
an absolute solution
a random guess
an experiment
What is a sample in research?
the whole target population
a piece of food you get to try
an educated guess
only part of the target population
Research questions in quantitative studies differ from qualitative studies in their focus on _______ being investigated.
Variables
Phenomena
This is the prediction of what is expected to occur, or relationship expected between the variables (factors being considered).
Data Analysis
Hypothesis
Statement of the Problem
Research Topic
