Question12pts
Younoticethattheintervalestimatefortwovaluesoverlaps.Whatmightthisindicate?
Both points must be equal if there is any overlap among their interval estimates because of
error in estimating the population from a sample.
Both points may actuall

Question12pts
Inanindependentsamplesttest,eachgrouphasNminus_degree(s)of
freedom.
0
1
3
2
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Question22pts
Whichofthefollowingisnotoneoftheassumptionsoftheindependentsamplesttest?
The sample data was randomly selected.
The dependent variable

Question 1
2 / 2 pts
A comparison of the person at your university earning the highest salary, likely your University President,
and the person earning the lowest, full-time salary would involve computation of which statistic?
standard deviation
central t

Question 1
2 / 2 pts
The term level refers to:
a variable that is manipulated to determine its effects on another variable.
the discrete values that a variable can take on.
a situation in which two variables have the same value.
a situation in which there

Jin predicts that people with highly symmetric faces will be rated as more attractive than people with
less symmetric facial features. Is this hypothesis one- or two-tailed?
two-tailed, because it only indicates there will be a difference but not the dire

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Question 1 2 pts
Dr. Spock finds results that match his previous predictions. He claims that he has proven his hypothesis.
What should he have said?
The findings allow him to reject the null hypothesis.
What he said was correct; he has

Question 1
2 / 2 pts
The background patterns often included in visual displays of data are known as:
chart-fill.
Correct!
grids.
ducks.
moir vibrations.
Correct!
Question 2
2 / 2 pts
Skip to question text.
A pictorial graph that shows fire danger levels i

Note: this is a timed quiz. You may check the remaining time you have at any point while taking
the quiz by pressing the keyboard combination SHIFT, ALT, and T. Again: SHIFT, ALT, and T.
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Question12pts
WhenperformingatwowaybetweengroupsANO

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Question 1 2 pts
For a distribution of scores, the standard deviation is 30. If we create a distribution of means based on
samples of size 10, what is the standard error?
5.48
3.00
9.49
0.33
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Question 2 2 pts
Compared

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LATEST Attempt 1
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19 minutes
18 out of 20
Correct answers will be available Jan 25 at 12:05am - Jan 29 at 11:59pm.
Score for this attempt: 18 out of 20
Submitted Jan 23 at 11:49pm
This attempt took 19