# A deficiency of the trace element selenium in the diet can

## Problem 66E Chapter 1

Probability and Statistics for Engineering and the Sciences | 9th Edition

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Problem 66E

A deficiency of the trace element selenium in the diet can negatively impact growth, immunity, muscle and neuromuscular function, and fertility. The introduction of selenium supplements to dairy cows is justified when pastures have low selenium levels. Authors of the paper “Effects of Short- Term Supplementation with Selenised Yeast on Milk Production and Composition of Lactating Cows” (Australian J. of Dairy Tech., 2004: 199–203) supplied the following data on milk selenium concentration (mg/L) for a sample of cows given a selenium supplement and a control sample given no supplement, both initially and after a 9-day period. a?. ?Do the initial Se concentrations for the supplement and control samples appear to be similar? Use various techniques from this chapter to summarize the data and answer the question posed. b. ?Again use methods from this chapter to summarize the data and then describe how the final Se concentration values in the treatment group differ from those in the control group.

Step-by-Step Solution:

Answer: Step 1 of 1 a. Use various techniques from this chapter to summarize the data and answer the question posed. The initial Se concentrations in the treatment and control groups are not that different. The differences in the box plots below are minor. The median initial Se concentrations for the treatment and control groups are 10.3 mg/L and 10.5 mg/L, respectively, each with fourth spread of about 1.25 mg/L. So, the two groups of cows are comparable at the beginning of the study b. Now,...

Step 2 of 3

Step 3 of 3

##### ISBN: 9780321629111

Probability and Statistics for Engineering and the Sciences was written by and is associated to the ISBN: 9780321629111. The answer to “A deficiency of the trace element selenium in the diet can negatively impact growth, immunity, muscle and neuromuscular function, and fertility. The introduction of selenium supplements to dairy cows is justified when pastures have low selenium levels. Authors of the paper “Effects of Short- Term Supplementation with Selenised Yeast on Milk Production and Composition of Lactating Cows” (Australian J. of Dairy Tech., 2004: 199–203) supplied the following data on milk selenium concentration (mg/L) for a sample of cows given a selenium supplement and a control sample given no supplement, both initially and after a 9-day period. a?. ?Do the initial Se concentrations for the supplement and control samples appear to be similar? Use various techniques from this chapter to summarize the data and answer the question posed. b. ?Again use methods from this chapter to summarize the data and then describe how the final Se concentration values in the treatment group differ from those in the control group.” is broken down into a number of easy to follow steps, and 158 words. This full solution covers the following key subjects: selenium, cows, data, control, supplement. This expansive textbook survival guide covers 18 chapters, and 1582 solutions. The full step-by-step solution to problem: 66E from chapter: 1 was answered by , our top Statistics solution expert on 05/06/17, 06:21PM. Since the solution to 66E from 1 chapter was answered, more than 288 students have viewed the full step-by-step answer. This textbook survival guide was created for the textbook: Probability and Statistics for Engineering and the Sciences, edition: 9.

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