Answer:
-0.20
Step-by-step explanation:
Given the data:
Age at auction (x) ____price sold (y)
391
51
32
84
47
104
88
43
470
51
Y:
76.9
95.4
86.3
49.3
80
57
47.8
80
70
86.9
General formula for a simple linear regression :
y = ab + c
Where ;
y = predicted variable ; a = slope / gradient
b = predictor / independent variable ; c = intercept
From the result obtained from the calculator :
y = -0.01246X + 74.65552
Correlation Coefficient is used to measure the strength of relationship between linear variables.
The regression Coefficient obtained is - 0.20
This shows that there is a weak negative correlation between the age at auction and the price at which painting is sold. This is because the negative sign means that value of y decreases as x increases or vice versa, however, due to a correlation vale which is closer to 0 than 1 or - 1, we can conclude that the negative relationship between the variables is weak.
your answer is C 2/3 referring to over to the right 2 times and up 3 times
They ate 13 hot dogs in 2 minutes, so divide 13 by 2 to find out how many hot dogs he ate in 1 minute:
13 / 2 = 6.5 hot dogs per minute.
Now divide total hot dogs eaten by 6.5 to get the total time:
91 / 6.5 = 14 total minutes.
Am not 100% sure but I think it’s A
Answer:
1/36
Step-by-step explanation:
Assuming the dice has 6 sides in total, we can set up a probability for each scenario.
The chances of the dice landing on 1 will be 1/6, since there are 6 total faces. Same goes for the second die and landing on 4.
Now that we have our 2 probabilities, we multiply them to get the final probability. 1/6 x 1/6 = 1/36.
