Research Identification
False
What is the frequency of 12 in the following dataset: 8, 10, 10, 12, 12, 12, 14, 17, 17
Three
...the 50th percentile lands at what value?
The mean
Find the range of the following dataset:
21, 15, 19, 19, 30
15
What is our Professors Name
Professor Cameron John
A question that asks whether a person believes they are more creative, less creative, or just as creative as other people is at the _____ level of measurement.
Ordinal
You are given data on participants favorite Ice Cream flavors, what graph should be used?
Bar Graph
...the skew in numerical value is
0
Find the degrees of freedom for this dataset: 12, 20, 15, 13, 12, 12, 15, 20
df=7
What is your SI (study session) leaders name?
Spencer Fillmore
Lists the scales of measurement from the scale providing the least specific information to the scale providing the most specific information? (Ratio, Nominal, Interval, Ordinal)
Nominal, Ordinal, Interval, Ratio
In a histogram what does the Y axis represent?
Frequency
...what percent of answers will lie between -1SD and 1SD?
68%
In Sarah’s study she divides the Sum of Squares by the Degrees of Freedom. What value does she end up with?
How many exams total are in this class?
3 exams
Which is the lowest level of measurement needed to calculate a mean?
Interval
What is the n of the following dataset?
x f
7 4
5 3
4 4
2 1
n=12
...with a mean of 20 and a standard deviation of 3. Someone in the 98th percentile would hold what value?
26
Find the Standard Variation of the following dataset, round to the hundredths place:
10, 12, 15, 15, 18
SS=38, Var=38/(4-1), SD=√9.5
ANSWER: 3.08
Where can I find recordings of every class on Canvas?
Course Media Tab
A researcher studies whether depression (none, moderate, severe) affects choice of food (burger, pizza, chicken, or salad). Identify all of the the conditions of the Independent Variable.
No depression, moderate depression, severe depression
Given a negatively skewed graph, which measure of central tendency will be the furthest left?
Mean
Given a mean of 60 and a Standard Deviation of of 15 what would the z score be for a raw score of 15
-3
Given n=6 and a standard deviation of 2, find the sum of squares.
20
What are the names of all participating members of todays exam prep session?
Answer Varies