Question

two groups test how temperature affects how quickly sugar dissolves. group a finds sugar dissolves faster in hot water. group b repeats the experiment and finds the same pattern, but with slightly different times. why is it important that both groups repeated and compared results? d. to show that the first group made a mistake b. to increase confidence that the results are reliable c. to make sure one groups data can replace the others a. to prove both groups had identical numbers

Explanation:

Repeating experiments and comparing results helps verify findings. It reduces the chance of errors or random - ness affecting the conclusion. When multiple groups get similar results, it gives more confidence that the results are not due to some fluke in one group's experiment.

Answer:

B. To increase confidence that the results are reliable