Several water samples were taken from three wells at various times, and the pH was measured...
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Several water samples were taken from three wells at various times, and the pH was measured for each sample, with the following results. Given are the sample means, the sample standard deviations, and the sample sizes. Well 1 Mean SD Sample Size 6.0 0.2 49. 2 3 (a) Write the means model for these data. State the null hypothesis. Give point estimates of the parameters in the means model. 6.2 0.4 31 6.4 0.6 30 (b) Write the main effects model for these data. State the null hypothesis. Give point estimates of the parameters in the main effects model. Several water samples were taken from three wells at various times, and the pH was measured for each sample, with the following results. Given are the sample means, the sample standard deviations, and the sample sizes. Well 1 Mean SD Sample Size 6.0 0.2 49. 2 3 (a) Write the means model for these data. State the null hypothesis. Give point estimates of the parameters in the means model. 6.2 0.4 31 6.4 0.6 30 (b) Write the main effects model for these data. State the null hypothesis. Give point estimates of the parameters in the main effects model.
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ANSWER The main effects model is pH 0 1Well The nul... View the full answer
Related Book For
Introduction to Probability and Statistics
ISBN: 978-1133103752
14th edition
Authors: William Mendenhall, Robert Beaver, Barbara Beaver
Posted Date:
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