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research methods quiz 3
FIND FREQUENCY
true or false: Ogives can sometimes go down.
research methods quiz 3
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Answers
1
true or false: Ogives can sometimes go down.
true
false
2
FIND FREQUENCY
1
2
4
1/4
3
If the data is plotted as a cumulative frequency curve then which coordinates will be plotted?
(10, 6) and (20, 9)
(5, 6) and (15, 9)
(0, 6) and (10, 15)
(10, 6) and (20, 15)
4
Ogives intersect distribution at
Mode
Median
Mean
Origin
5
Point of intersection of the less than and more than type ogives of a grouped data is (27,12). Total frequency is
24
42
12
27
6
Is this a histogram?
False
True
7
What is the distribution of this curve?
high
normal
skewed left
skewed right
8
Besides cummulative frequency, what is the another values to construct ogives graph ?
Upper class boundaries
Upper limit
Lower limit
Lower class boundaries
9
is this a histogram
what are you talking about
no
maybe
yes i guess
10
Frequency its measure on
Hertz
Sec/min/hrs
Heinz
Voltz
11
Describe the histogram.
unimodal, skewed left, multiple gaps and outliers
unimodal, skewed right, multiple gaps and outliers
multimodal, skewed right, multiple gaps and outliers
bimodal, skewed left, multiple gaps and outliers
12
Ogives can be used to graph _______________ data.
Qualitative
Quantitative
13
Studying how attributes vary by manipulating variables.
controlling variables
experimenting
representing data
process skills
14
A posited relationship between variables
Hypothesis
Literature Review
Construct
Operationalized variables
15
Is this a histogram?
math is hard
yes
no
16
Is this a histogram?
No; it's a stem-and-leaf plot.
No; it's a bar graph.
No; it's a box plot.
Yes!
17
Describe the histogram.
multimodal, symmetric, no outliers
bimodal, symmetric, no outliers
unimodal, skewed right, no outliers
bimodal, skewed left, no outliers
18
Properties or characteristics of a function are attributes.
True
False
19
Where does the maximum frequency lie on a perfect normal curve?
the middle
it doesn't exist
the left side
the right side
20
Histogram to Boxplot
A
D
B
C
21
The frequency distribution of IQ scores is theoretically a _____________ curve.
bimodal
negatively skewed
positively skewed
normal
22
What does the frequency of a sine or cosine curve mean?
The distance from midline to the highest value.
The number of cycles between 0 and 2π.
How many times the graph hits the horizontal axis.
How many periods occur between 0 and 2π.
23
Describe the histogram.
uniform, symmetric, no outliers or gaps
uniform, skewed right, no outliers or gaps
multimodal, skewed left, no outliers or gaps
multimodal, symmetric, no outliers or gaps
24
variables: characteristics, called attributes, that can vary subject to subject in a research study
False
True
25
Research Methodology and Research Methods are the same
Yes!
Maybe
I don't know
NO
26
What do you put on the Y-axis in ogives?
Cumulative frequency
Frequency
Classes
Midpoint
27
What is the range of this cumulative frequency curve?
160
220
380
260
28
Ogives can be used to graph _______________ data.
Standard deviation
Categorical
Biased
Quantitative
29
Where do you plot for a cumulative frequency curve
End of the class interval
Start of the class interval
Middle of the class interval
30
Who created the forgetting curve?
Rosie Retrospection
Hermann Ebbinghaus
William Wundt
Elizabeth Loftus
