2b
1 answer:
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I don't know for certain, but it looks like each 
is supposed to be the representative value of 
over each subinterval ![[x_{i-1},x_i]](https://tex.z-dn.net/?f=%5Bx_%7Bi-1%7D%2Cx_i%5D)
, so that the Riemann sum is given by
where
The sum is then
Compare to the exact value of the corresponding definite integral,
where
The sum is then
Compare to the exact value of the corresponding definite integral,
Answer/Step-by-step Explanation:
A. From the scatter plot attached below showing the number of flowers that have bloomed for days in the month of March, we can observe an upward trend which shows a positive correlation , and also, if we are to draw a single line in an attempt to connect the points together on a straight line as much as possible, we'd discover that the points are not far away from the single line. This implies not only a positive correlation coefficient, but also a correlation coefficient that is closer to 1. Hence, we can infer that correlation coefficient of r = 0.98 is accurate because of the aforementioned reasons. The trend denotes a string positive correlation.
B. A scenario that would be a causal relationship for flowers in a garden to bloom is the length of daylight received each day by the flowers. Length of daylight could be a factor influencing flower bloom. Or we can also make a scenario of comparing amount of fertilizer for flower development given to plants in comparison to the number of flowers.
