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Which of the following charts would be BEST to use?
An analyst needs to provide a chart to identify the composition between the categories of the survey response data set: Which of the following charts would be BEST to use?A . HistogramB . PieC . LineD . Scatter potE . WaterfallView AnswerAnswer: B Explanation: A pie chart is the best...
A table in a hospital database has a column for patient height in inches and a column for patient height in centimeters. This is an example of:
A table in a hospital database has a column for patient height in inches and a column for patient height in centimeters. This is an example of:A . dependent data.B . duplicate data.C . invalid dataD . redundant dataView AnswerAnswer: D Explanation: This is because redundant data is a type...
Which of the following is the NEXT step the analyst should take in the dashboard creation process?
An analyst has received the requirements for an internal user dashboard. The analyst confirms the data sources and then creates a wireframe. Which of the following is the NEXT step the analyst should take in the dashboard creation process?A . Optimize the dashboard.B . Create subscriptions.C . Get stakeholder approval.D...
Which of the following methods would BEST address this issue?
While reviewing survey data, a research analyst notices data is missing from all the responses to a single question. Which of the following methods would BEST address this issue?A . Replace missing data.B . Remove duplicate data.C . Replace redundant data.D . Remove invalid data.View AnswerAnswer: A Explanation: This is...
Which of the following will MOST likely be streamed live?
Which of the following will MOST likely be streamed live?A . Machine dataB . Key-value pairsC . Delimited rowsD . Flat filesView AnswerAnswer: A Explanation: Machine data is the most likely type of data to be streamed live, as it refers to data generated by machines or devices, such as...
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...
