Rock

Anna

Alair

Alister

Andy

Andrew

Total

Granite

10

20

15

30

28

103

Limestone

12

21

16

25

27

101

Sandstone

14

18

13

29

26

100

Marble

16

16

17

18

22

89

Soapstone

18

14

22

31

19

104

Alabaster

15

19

20

18

12

84

1

Which student collected the maximum samples of Granite? _______.

2

Who collected the minimum number of sandstone samples? _______.

3

How many Alabaster samples were collected by Andy? ______.

4

Find the difference between the number of samples of marble and limestone collected by all students? _______.

5

How many soapstone samples were collected by Alair? ______.

6

What was the sum of granite samples collected by Alister and limestone samples collected by Andrew? ______.

7

Find the number of marble samples collected in all? ______.