Identify whether is positive correlation, negative correlation, or no correlation exist. 1.number of police men and number of crimes recorded
2.number of pages and price of the book
3.weight and dancing ability
4.educational attainment and salary.
5.school allowance and academic performance
6.size of the family and expenses
7.number of absence and grade
8.company sales and advertising expenses
9.total family income and family expenses
10.math grades and height of students​