Question

During a lab, four students obtain the following data for the heat capacity of a sample of iron in units of J/gºC.

Student A
Student C
Student D
Average = 0.44
Average = 0.45
Average = 0.58
0.43
0.44
0.44
0.45
Student B
Student C
Student B
Average = 0.31
Student D
0.31
0.30
0.32
0.31
0.63
0.30
The actual heat capacity of iron is 0.45 J/g°C.
Which student(s) had a set of data that is PRECISE? Choose ALL that apply.
Student A
0.50
0.38
0.78
0.64
0.31
0.57
POSSIBLE POI

Answer 1

A and B

Step-by-step explanation:

Students A and B hap PRECISE results....see how the spread of the data points are all within .02 of each other? The others, C and D, are scattered very widely .