Question

giving medal
The table below shows the air temperature, in degrees Celsius, and the number of snowboards sold in Amy's store:
Temperature (degrees Celsius) (x)

1

-1

-2

-3

0

-4

2

Number of snowboards sold (y)

10

24

31

38

17

45

3

Answer 1

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 perfectly linear positive correlation between x and y

1; it represents a perfectly linear negative correlation between x and y

-1; it represents a perfectly linear negative correlation between x and y

Answer 2

@dumbcow

Answer 3

ok as temperature increases what does sales do?

Answer 4

in other words ... look at lowest temp and highest temp
which has higher sales?

Answer 5

there are more sales when the temerature is lower,

Answer 6

and less sales when the temperature is higher

Answer 7

it also helps to graph the points

Answer 8

correct this means there is a correlation

Answer 9

its a negative correlation because line is sloping downward

Answer 10

is it 1 or negative 1?

Answer 11

its a "negative" correlation ....

Answer 12

so its D

Answer 13

yeah :)

Answer 14

ok, thank you so much i appreciate it.

Answer 15

yw