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Statement coverage strategyprioritizestest cases with higher statement coverage first, whileresolving dependenciesbefore execution.

TC60 (7%)has thehighest coveragebutdepends on REQ 1, so it should be executedafter its dependency is covered.

TC80 (6%)depends onREQ 2, so it should be prioritizedafter TC40 (REQ 2).

TC40 (5%)andTC90 (5%)should be executed early.

Lower coverage test cases (TC10, TC70, TC30, TC20) should come last.

Thus, the correct order is{TC 60; TC 80; TC 40; TC 90; TC 50; TC 10; TC 70; TC 30; TC 20} (D).

Statement coverage, also known as line coverage, is a metric used in white-box testing to measure the percentage of executable statements in the source code that have been executed by the test suite. Achieving a certain percentage of statement coverage means that an equivalent percentage of the executable statements in the code have been executed during testing.

For example, achieving 80% statement coverage indicates that 80% of the lines of code have been run through during the testing process. This metric helps in identifying parts of the code that have not been tested and may contain undetected defects.

It's important to note that achieving high statement coverage does not necessarily guarantee that all possible paths or scenarios within the code are tested, nor does it ensure the detection of all types of defects. Other coverage metrics, such as branch coverage or condition coverage, might also be necessary to achieve a more thorough testing process.

In an agile software development environment with distributed teams, effective communication is crucial. Given the distributed nature and the time zone differences, asynchronous communication methods such as emails are more practical and effective. They ensure that information can be shared and accessed by team members and stakeholders at their convenience, regardless of time zone differences. Regular email updates also provide a documented trail of communication, which can be reviewed and referred back to as needed. Formal face-to-face meetings can be challenging to coordinate across time zones and are not as flexible as email communications​​.

During the review planning phase of a formal review process, decisions are made regarding which standards and procedures will be followed. This planning ensures that the review process is structured, consistent, and aligned with organizational or project-specific guidelines, thereby enhancing the effectiveness and reliability of the review outcomes.