1. Create a vector object consisting of the values 50 80. USING R

1. (1 Point) Use R to identify the 17^th item in the vector.

2. (1 Point) Use R to identify the 33^rd item in the vector.

3. (1 Point) Use R to calculate the standard deviation of the values in the vector object.

4. (1 Point) Use R to calculate the standard deviation of the values in the vector object to two decimal places.

5. (1 Point) Use R to calculate the mean of the values in the vector object.

Use R to evaluate the following arithmetic expressions.

1. (1 Point) 12 + 36 4 = _____

2. (1 Point) 9 3 + 4 6 = _____

3. (1 Point) 2 11 12 2 = _____

4. (1 Point) 8 18 4 + 15 = _____

5. (1 Point) (7 8 4) (6 - 2) = _____

6. (1 Point) Use R to calculate the median of the values in the vector object.

7. (1 Point) Use R to calculate the number of values in the vector object.