Based on the activity time$$ estimates, standard deviation for each of the activities is $($enter your responses rounded to two decimal$$ places$)$:

Part $9$Part $10$Part $11$Part $12$Part $13$Part $14$

Activity

Standard Deviation

A

$$

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B

$$

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C

$$

enter your response here

D

$$

enter your response here

E

$$

enter your response here

F

$$

enter your response here