【简答题】阅读理解。 As you move around your home, take a good look at the things you have. It is likely that your living room will have a television set and a video, and your kitchen a washing machine and a microwa...
【多选题】The regression equation Y = 3 + 2X has been calculated from 6 pairs of values, with X ranging from 1 to 10. The correlation coefficient is 0.8. It is estimated that Y = 43 when X = 20. Which of the fo...
A.
The estimate is not reliable because X is outside the range of the data
B.
The estimate is not reliable because the correlation is low
C.
The estimate is reliable
D.
The estimate is not reliable because the sample is small