Mrs. Trahan's 3rd hour has 10 girls and 14 boys. She samples her class by selecting 5 girls and 7 boys. This type of sampling is called?

Mrs. Trahan samples her class by selecting every third person on her class list. Which type of sampling method is this?

Mrs. Trahan samples her class by picking 10 numbers from her hat and each number is assigned to a student. This is ______________ random sampling.

Farmer Joe separates his farm into 10 regions. He then randomly selected 5 trees from each region to estimate the number of apples produced on his apple tree farm. This is _____________ sampling.

Farmer Joe's apple tree farm is set up in 100 rows. He counts the number of apples produced on every 10th row to estimate the number apples produced on the whole farm. This is _____________ sampling.

Marianne wanted to know students' opinion on the new schedule at school. She survey's the first 30 students who come into her class.

The scores awarded to 25 students for an assignment were as follows:

4 7 5 9 8 6 7 7 8 5 6 9 8 5 8 7 4 7 3 6 8 9 7 6 9

What is the mode?

What is the median number of minutes read by the students?

The 8 people who sit closest to the windows scored an average of 92 on the last test. The 10 people who sit closest to the door scored an average of 83 on the last test. What is the mean test score for the whole class?