68 7. In California\'s Central Valley, salinization occurs at different rates in

Question

68 7. In California's Central Valley, salinization occurs at different rates in different locale s. What are some factors that might affect rate of salinization in different locales? Explain. 8. If the Ziploc seal on one of the bags was not tight in some places, producing openings in the bag, then how would you expect this to affect the results? Would this be an example of (a) lack of control, (b) sampling bias, (c) failure to be objective, (d) failure to replicate, or (e) introduction of an uncontrolled variable? 9. How many treatments did your section measure? Were any of them controls? If so, which? How many replicates did each treatment have? If you were to perform a pairwise ttest comparing transpiration rates from any two treatments how many degrees of freedom would such a ttest have? 10. With data from the entire class in hand from the online data set, does your answer to Question 1 above remain the same, or does it require modification? In which data set, your section's or the entire class', would you place more certainty, and why?

Explanation / Answer

7. The factors which affect rate of salinization in different locales are:

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