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Math Problems
Grade 8
Calculate quartiles and interquartile range
Find the median and mean of the data set below:
\newline
47
,
27
,
9
,
15
,
15
,
19
47,27,9,15,15,19
47
,
27
,
9
,
15
,
15
,
19
\newline
Median
=
□
= \square
=
□
\newline
Mean
=
□
= \square
=
□
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For safety, each climber has
8
8
8
hooks when climbing the mountain. A large group of climbers climbs up a mountain and puts all their supplies in a heap in a cabin. One of the climbers wishes to know the number of climbers in the group, so he counts the number of hooks in the supply heap. If the climber counts
h
h
h
hooks, which of the following functions can be used to find the number of climbers,
c
(
h
)
c(h)
c
(
h
)
, in the group?
\newline
Choose
1
1
1
answer:
\newline
(A)
c
(
h
)
=
h
64
c(h)=\frac{h}{64}
c
(
h
)
=
64
h
\newline
(B)
c
(
h
)
=
h
8
c(h)=\frac{h}{8}
c
(
h
)
=
8
h
\newline
(C)
c
(
h
)
=
8
h
c(h)=8h
c
(
h
)
=
8
h
\newline
(D)
c
(
h
)
=
64
h
c(h)=64h
c
(
h
)
=
64
h
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