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BIO 168 Micro Lab 1.png

Table 4: pH Versus Number of Microbial Colonies
PH
5
6
0
3
8
9
10
Number of Colonies Observed
2
24
36
124
268
296
213
98
34
1. What patterns do you observe based on the information in Table 4?
2. Develop a hypothesis relating the pH level of the culture media to the number of microbial colonies observed in each cul-
ture.
3. What would your experimental approach be to test this hypothesis?
4. What would be the independent and dependent variables?
5. What would be your control?
6. What type of graph would be appropriate for this data set? Why?
7. Graph the data from Table 4.
8. Interpret the data from the graph you made in Question 7.

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