Variation is to central tendency as ______ is to _____. range; median frequency distribution; percentile rank mode; mean

[answerhappygod]

Variation is to central tendency as ______ is to _____.
range; median
frequency distribution; percentile rank
mode; mean
scatterplot; bar graph
correlation; scatterplot
Answer here
The IQ scores of the five members of the Duluth family are 100,
82, 104, 96, and 118. For this distribution of scores, the range
is:
6
14
36
48
10
Answer here
Ms. Costas owns a business with nine other employees. Ms.
Costa’s annual salary is $90,000. Her manager’s salary is $60,000.
Of her other employees, three earn $25,000 each and five earn
$15,000 each. The range of this distribution is
$75,000
$50,000
$25,000
$20,000
$15,000
Answer here
In a normal distribution of scores, approximately what
percentage of all scores will occur within one standard deviation
from the mean?
34
68
95
97.5
100
Answer here
The correlation between two observed variables is -0.84. From
this, it can be concluded that
as one variable increases, the other is likely to increase,
showing a direct relationship
as one variable increases, the other is likely to decrease,
showing an inverse relationship
the two variables are unrelated
one variable causes the other variable to occur
one variable causes the other variable not to occur
Answer here
Which correlation coefficient shows the strongest
correlation?
+ 0.04
– 0.65
– 0.84
+ 0.80
+ 1.42
Answer here
You scored a 24 on your ACT math test. The mean for this e xam
is 21, with a standard deviation of 3. On the math SAT, the mean is
500 with a standard deviation of 50. If you had taken the SAT, what
would your score have been (assuming you do equally as well)?
450
503
550
650
5
Answer here
Suppose a study finds there is only a small correlation between
IQ and the ability to solve word problems in math. The correlation
shows that there is a VERY weak relationship demonstrating that the
higher the IQ, the better the ability to solve word problems. A
correlation that would demonstrate such a relationship could be
.00
+.99
+.10
-.98
-.56
Answer here