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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...
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 charts would BEST represent the relationship between the variables?
A data analyst was asked to create a chart that shows the relationship between study hours and exam scores for each student using the data sets in the table below: Which of the following charts would BEST represent the relationship between the variables?A . A histogramB . A scatter plotC...
Which of the following data manipulation techniques would he use to obtain this information?
A data scientist wants to see which products make the most money and which products attract the most customer purchasing interest in their company. Which of the following data manipulation techniques would he use to obtain this information?A . Data appendB . Data blendingC . Normalize dataD . Data mergeView...
Which of the following BEST describes the issue in which character values are mixed with integer values in a data set column?
Which of the following BEST describes the issue in which character values are mixed with integer values in a data set column?A . Duplicate dataB . Missing dataC . Data outliersD . Invalid data typeView AnswerAnswer: D Explanation: The invalid data type is the best description for the issue in...
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 one of the following is a measure of dispersion?
Which one of the following is a measure of dispersion?A . Variance.B . Mode.C . Median.D . Mean.View AnswerAnswer: A
Which of the following sampling methods would MOST likely result in a representative sample?
A county in Illinois is conducting a survey to determine the mean annual income per household. The county is 427sq mi (2.65q km). Which of the following sampling methods would MOST likely result in a representative sample?A . A stratified phone survey of 100 people that is conducted between 2:00...
Which of the following is the correct data type for text?
Which of the following is the correct data type for text?A . BooleanB . StringC . IntegerD . FloatView AnswerAnswer: B Explanation: A string is a data type that represents a sequence of characters, such as text, symbols, numbers, or punctuation marks. Strings are enclosed in quotation marks, 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,...
