Given values: 54, 65, 76, 43, 45, 76, 87 12, 23, 34, 67,65, 78, 45, 34. given 95% confidence and sigma (population standard deviation) (12) compute the confidence interval. round to one decimal place.
(a) (47.5, 59.7)
(b) (12, 87)
(c) (48.5, 58.7)
(d) none of the above.

i you goofed up when writing this, because hnot is not a word minusf is not either. i cannot answer   because of that.

step-by-step explanation:

easy its decreasing

step-by-step explanation:

because its top point is at the to of the graph on the left side (atleast from the veiw i see it) now if that top point wast in the lower part of the graph it would be increasing hope this have a nice day

beluga wheeeaaalle matt

step-by-step explanation: