Quality control tests had been done to certain batch of uncoated tablets and these are the results; Calculate, Explain (equations and limits) and comment on these results.

Tablet number

Tablet hardness

1

11.35

2

10.85

3

11.23

4

10.78

5

11.19

6

11.32

7

10.65

8

11.56

9

10.45

10

11.14

 Average hardness( kp)