[All Steps] Here is Minitab output on a study of nitrate ion concentration (in micrograms per liter) in a specimen of water. 0.513 0.524 0.529 0.481 0.492
Question:
Here is Minitab output on a study of nitrate ion concentration (in micrograms per liter) in a specimen of water.
0.513
0.524
0.529
0.481
0.492
0.499
0.518
0.490
0.494
0.501
T Test/Mean:
Test of mu=0.492 vs mu not=0.492
Variable-Concent
N-10
Mean-0.50410
StDev-0.01600
SEMean-0.00506
T-2.39
P-0.04
T Confidence Intervals
Variable-Concent
N-10
Mean-0.50410
StDev-0.01600
SEMean-0.00506
95CI-(0.49265, 0.51555)
a) What conclusion can be drawn fro the t-test?
b) What conclusion can you draw from the CI? Does it support or contradict the T-Test?
Deliverable: Word Document 