Igot 40% on this 5 question test can you me, i am very dumb at this hard test ! ☹☹☹u_u : p
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Mathematics, 18.10.2019 23:00 JaylahtheSmarrtie
Igot 40% on this 5 question test can you me, i am very dumb at this hard test ! ☹☹☹u_u : p
1.
(1 pt)
what is the means-to-mad ratio of the two data sets, expressed as a decimal?
data set
mean
mean absolute deviation (mad)
1 10.3 1.6
2 12.7 1.52.
2
(1 pt)
what is the means-to-mad ratio of the two data sets, expressed as a decimal to the nearest tenth?
data set 1: {85, 83, 90, 70, 87}
data set 2: {75, 74, 68, 83, 80}
3.
(1 pt)
alexander found the means-to-mad ratio of two data sets to be 2.1.
what can he conclude about the distributions?
a.
they are similar.
b.
they are somewhat similar.
c.
they are different.
d.
they are identical
4
data set 1 has a mean of 84 and a mad of 6. data set 2 has a mean of 78 and a mad of 8.
what can you conclude about the two distributions?
choose exactly two answers that are correct.
a.
the means-to-mad ratio is 0.75.
b.
the means-to-mad ratio is 1.
c.
the distributions are similar.
d.
the distributions are somewhat similar
5
angela is studying two types of birds. she measures the wingspan, in inches, of five type 1 birds and five type 2 birds.
what can she infer about the wingspans of the two types of birds?
type 1: {18, 24, 20, 22, 26}
type 2: {24, 21, 19, 26, 30}
a.
type 1 and type 2 birds have similar wingspan distributions.
b.
type 1 and type 2 birds have somewhat similar wingspan distributions.
c.
type 1 birds and type 2 birds do not have similar wingspan distributions.
d.
type 1 birds and type 2 birds have identical wingspan distributions.
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