Professor Smith took a sample of 208 students from her morning class and a sample of 119 students from her evening class. On Exam 1, all those sampled from the morning class got a 70 while those sampled from the evening class averaged a 69 with a variance of 182. If Professor Smith combines these two samples.

1. What is the combined Exam 1 average?

2. What is the combined Exam 1 median?

3. What is the shape of the combined Exam 1 grade distribution?

4. What is the combined Exam 1 standard deviation?