Answer:
2,3 i think its been a while scince i did slopes
Step-by-step explanation:
Answer: hjhgxxhjhg
Step-by-step explanation:
I would say 2.....sorry if I am wrong
Answer:
95% confidence interval: (0.325 ,0.383)
Step-by-step explanation:
We are given the following in the question:
Sample size, n = 231
Sample mean = 0.354 ppm
Sample standard deviation = 0.231 ppm
95% confidence interval:
Putting the values, we get,