Computer Science (High School) quiz

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Consider the code segment below. Line 1: IF (a = 0) Line 2: { Line 3: b ← a + 10 Line 4: } Line 5: ELSE Line 6: { Line 7: b ← a + 2O Line 8: } Which of the following changes will NOT affect the results when the code segment is executed?
Are Python variable names case-sensitive?
Which of the following spreadsheet functions would be most useful for detecting improbably high or low values that have become part of a data set as a result of data entry errors?

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