Which of the following is an example of data ACCURACY?*1 pointThe correct bank account details are entered for online shoppingA person forgets to write their birthday in the correct formatSomeone enters have far they have run in miles instead of kilometresSomeone miscounts how much money they have in their wallet

The data with a higher percent error is _____________.a.more preciseb.less accuratec.more accurated.less precise

Which of the following situations is NOT an issue regarding data quality?Group of answer choicesThe values in the dataset are inconsistent. E.g. sometimes spelling a word with American spelling, and sometimes using British spelling for the same wordThe volume of data is too large to accurately understandThe data contains a number of default valuesThere are missing values in the data set

Which of the following is an example of data AUTHENTICITY?*1 pointA student cheats on a quiz.A survey is conduced to find out what Year 7s think of bullying. The data is lost so the teachers make up the data.Data that has not been corrupted or changed after it has been collectedData from a survey has been tampered with to make the survey result change.

Which of these are reasons that it’s often unrealistic to expect an ML system to be 100% accurate?1 pointYou might not have enough dataData can be mislabeledData can be ambiguousAll of the above.

Correcting inconsistencies across data is an example of which of the following?Question 7Answera.Obtaining the datab.Validating the data for integrityc.Validating the data for completenessd.Cleaning the data