necolewiggins1043
01.11.2019 •
Mathematics
The table below shows the age of some participants in a quiz competition, and the number of questions they could answer correctly:
age (years) (x)
15
21
17
22
16
19
18
number of questions they could answer (y)
17
17
17
17
17
17
17
what is the correlation coefficient for the data, and what does it represent?
0; it represents no correlation between x and y 1; it represents a linear positive correlation between x and y -1; it represents a linear negative correlation between x and y 1; it represents
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Ответ:
Ответ:
The table below shows the age of some participants in a quiz competition, and the number of questions they could answer correctly:
Age (years) (x) Number of questions they could answer (y)
1517
2117
1717
2217
1617
1917
1817
0; it represents no correlation between x and y
Ответ:
angle Q,T,C, and B are right (90°)
angle D = R (from the sign)
angle E = S (from the sign)