Answer:
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Answer:
Sum of squares of differences = 11239.74
Step-by-step explanation:
We are given the following data set:
63, 89, 92, 73, 79, 72, 34, 36, 94, 21, 25, 93, 22, 90, 79
We have to calculate the sum of square of the data set.
Formula:
where are data points,
is the mean and n is the number of observations.
Sum of squares of differences =
1.284444444 + 618.3511113 + 776.5511113 + 78.61777778 + 221.0177779 + 61.88444445 + 908.0177776 + 791.4844443 + 892.017778 + 1860.484444 + 1531.417778 + 833.2844446 + 1775.217777 + 669.0844446 + 221.0177779
= 11239.74
Answer:
Aidan is 2 miles far from the ending point when he reaches the water station.
Step-by-step explanation:
The locations of the starting point, water station and ending point are (3, 1), (3, 7) and (3, 9), all expressed in miles. First we determine the distances between starting and ending points and between starting point and water station by the Pythagorean Theorem:
From starting point to ending point:
(Eq. 1)
From starting point to water station:
(Eq. 2)
The distance between the water station and the ending point is:
(Eq. 3)
Hence, Aidan is 2 miles far from the ending point when he reaches the water station.