# Question: Earth scientists measured several chemical properties in water samples taken

Earth scientists measured several chemical properties in water samples taken from wells at three locations. Following are sample means, standard deviations, and sample sizes for pH measurements.

a. What are the sample sizes n1, n2. n3?

b. What are the sample standard deviations S1, S2, S3?

c. Compute SSTr.

d. Compute SSE.

a. What are the sample sizes n1, n2. n3?

b. What are the sample standard deviations S1, S2, S3?

c. Compute SSTr.

d. Compute SSE.

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