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Which of the following is a process that is used during data integration to collect, blend, and load data?
Which of the following is a process that is used during data integration to collect, blend, and load data?A . MDMB . ETLC . OLTPD . BIView AnswerAnswer: B Explanation: ETL is a process that is used during data integration to collect, blend, and load data. ETL stands for extract,...
Which of the following data cleansing issues will be fixed when a DISTINCT function is applied?
Which of the following data cleansing issues will be fixed when a DISTINCT function is applied?A . Missing dataB . Duplicate dataC . Redundant dataD . Invalid dataView AnswerAnswer: B Explanation: This is because duplicate data refers to data that is repeated or copied in a data set, which can...
Which of the following describes the number of rows of data that can be expected after performing both joins in the order stated, considering the customer table as the main table?
A data analyst has been asked to merge the tables below, first performing an INNER JOIN and then a LEFT JOIN: Customer Table - In-store Transactions C Which of the following describes the number of rows of data that can be expected after performing both joins in the order stated,...
Which of the following is the appropriate descriptive statistic to use?
A cereal manufacturer wants to determine whether the sugar content of its cereal has increased over the years. Which of the following is the appropriate descriptive statistic to use?A . FrequencyB . Percent changeC . VarianceD . MeanView AnswerAnswer: B Explanation: This is because percent change is a type of...
Which of the following is the BEST type of analysis to conduct?
A research analyst wants to determine whether the data being analyzed is connected to other datapoints. Which of the following is the BEST type of analysis to conduct?A . Trend analysisB . Performance analysisC . Link analysisD . Exploratory analysisView AnswerAnswer: C Explanation: This is because link analysis is a...
Which of the following is an example of a discrete data type?
Which of the following is an example of a discrete data type?A . 8in (20cm)B . 5 kidsC . 2.5mi (4km)D . 10.7lbs (4.9kg)View AnswerAnswer: B Explanation: A discrete data type is a data type that can only take on a finite number of values, such as integers or categories....
Which of the following is an example of a discrete variable?
Which of the following is an example of a discrete variable?A . The temperature of a hot tubB . The height of a horseC . The time to complete a taskD . The number of people in an officeView AnswerAnswer: D Explanation: A discrete variable is a variable that can...
Which of the following components need to be added to ensure the report is point-in-time and static?
Refer to the exhibit. Given the following report: Which of the following components need to be added to ensure the report is point-in-time and static? (Choose two.)A . A control group for the phrasesB . A summary of the KPIsC . Filter buttons for the statusD . The date when...
Which of the following variable name formats would be problematic if used in the majority of data software programs?
Which of the following variable name formats would be problematic if used in the majority of data software programs?A . First_Name_B . FirstNameC . First_NameD . First NameView AnswerAnswer: D Explanation: This is because First Name is a variable name format that would be problematic if used in most of...
Which of the following is a common data analytics tool that is also used as an interpreted, high-level, general-purpose programming language?
Which of the following is a common data analytics tool that is also used as an interpreted, high-level, general-purpose programming language?A . SASB . Microsoft Power BIC . IBM SPSSD . PythonView AnswerAnswer: D Explanation: Python is a common data analytics tool that is also used as an interpreted, high-level,...
