Answer:
1. mean is 17.4
2. interquartile range is 30
3. mean absolute deviation is 3
4. median is 51
Step-by-step explanation:
Answer:
Step-by-step explanation:
56.4059 - 4.837 = 56 - 5 = 51
Answer:
DEF = 103
Step-by-step explanation:
brainlyist pls

Using the fact that cos is 2π-periodic, we have

That is,
for any
and integer
.

We get 2 solutions in the interval [0, 2π] for
and
,
