4.2
4.5
4.8
5.0
5.2
Correct answer is C
| x | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | Total |
| f | 2 | 3 | 6 | 7 | 9 | 6 | 2 | 2 | 3 | 40 |
| fx | 2 | 6 | 18 | 28 | 45 | 36 | 14 | 16 | 27 | 192 |
Mean = \(\frac{\sum fx}{\sum f}\)
= \(\frac{192}{40}\)
= 4.8
rainfall
temperature
soil pH
light penetration
tidal movements
Correct answer is C
No explanation has been provided for this answer.
(5,5)
(5,6)
(6,5)
(9,4)
(9,5)
Correct answer is A
Mode = 5
Median = 5
(m, n) = (5, 5)
Which of the following conditions is not necessary for photosynthesis to occur in plants?
There must be light
There must be xylem tissue used to conduct water
There must be chlorophyll to trap radiant energy
Carbondioxide must be present
Water must be present
Correct answer is B
No explanation has been provided for this answer.
What is A∩B in the diagram above?
(2,3)
(2,3,4)
(1,2,3)
(2,3,8)
(6,4,7)
Correct answer is B
No explanation has been provided for this answer.