Question

EXERCISE 1: DATA INTERPRETATION Bone mineral density (BMD) measures the amount of crucial minerals, particularly calcium, in the bones of the human body. levels of BMD indicate a condition known as osteopenia, which can lead to osteoporosis. This disorder leads to a higher risk bone fractures. Examine the data presented in Table 4 showing average BMD measurements of people at different ages and answer the associated questions. What patterns do you observe based on the information in Table 4. Table 4: Age vs. Bone Mineral Density Age 3545556575 989 358 507 Bone Mineral Density 1035 1014 989 907 958 856| 856 787 787 1. What patterns do you observe based on the information in Table 4? What conclusions could you draw from this? 18 2. What type of graph would be appropriate for this data set? Why? 3. Graph the data from Table 4: Age vs. Bone Mineral Density (found at the beginning of this exercise). 4. LOW BMD indicates low levels of calcium in the bones. Develop a hypothesis of a possible way to prevent or treat decrea: BMD. 5. What would your experimental approach be to test this hypothesis? 6. What would be the independent and dependent variables?

Answer 1

Answer 1:)

There is a gradual decrease in bone mineral density as the age of a person proceeds. It suggests that aging is a key factor that diminishes bone mineral density. This may due to the weakening of metabolism as the age proceeds.

Answer 2:)

We chose a line graph to represent the given data. It is a good way to represent the effect of aging on bone mineral density.

Answer 3:)

1200 1000 800 600 400 200 25 35 45 55 65 75 85 Age Bone Mineral Density

Answer 4:)

To increase bone mineral density, calcium intake would be beneficial. Therefore, in this case, we suggest the following hypothesis:

A definite amount of daily calcium intake possibly maintains bone mineral density under a definite age interval.

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