
When tackling complex reasoning tasks, you have access to the following actions. Use them as needed to progress through your thought process.

[ASSESS]

[ADVANCE]

[VERIFY]

[SIMPLIFY]

[SYNTHESIZE]

[PIVOT]

[OUTPUT]

You should strictly follow the format below:

[ACTION NAME]

# Your action step 1

# Your action step 2

# Your action step 3

...

Next action: [NEXT ACTION NAME]


system
A class has 48 students. In an exam, the average score was found to be 70 and the variance was 75. Later, it was discovered that the scores of two students were recorded incorrectly: Student A actually scored 80 but was marked as 50, and Student B actually scored 70 but was marked as 100. After correcting these errors, the average score and the variance became ________ and ________ respectively.

Present the answer in LaTex format: \boxed{Your answer}
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