1 Tony has a coin-filled piggy bank. He measures its total mass and finds that it is 1.6 kilograms. He then smashes it to get the coins.

Before After

After the piggy bank is smashed, what it the total mass of the broken piggy bank and its coins?
A.
1.0 kilograms
B.
2.2 kilograms
C.
0.6 kilograms
D.
1.6 kilograms

The correlation coefficient between the number of students and marks obtained in end semester exam. (13 marks) give the statistical meaning of the relationship between the number of students and marks b. obtained in end semester exam. (3 marks) draw the number of students and marks obtained in end semester exam scatter diagram c. (4 marks) check list write your name and id corectly write the question number properly use your own calculator. show all the steps to solve the problems. use the correct formula. answer in provided time. don't use your mobile for any purpose. write your answer up to two decimal places