Class work OA
The student then covered the dishes and very carefully placed them in different temperatures. She ten them for two
hours then she measured how far the red colour had dithised into the agar around each hole
The table shows the students results.
Dish
Temperature/°C
Distance red colour had diffused into the jelly/mm
Nole 1 Nole 2 Hole
Hole 4
2
Mean (average)
1
20
0
4
11
19
10
23
21
18
a Complete the table by calculating the mean distances diffused by the red colour in each dish (Give each distance