To predict future sales trends, a data analyst merges a dataset of historical sales data with a dataset of economic data. What should the data analyst do to ensure the compatibility of the two datasets?1 pointUse a visualizationSpotcheck for null valuesApply a data structureMap the data 2.Question 2

Question 1To identify ways to improve the shipping process, a data analyst merges a dataset of client order data with a dataset of shipping data. What should the data team do to ensure the compatibility of the two datasets?1 pointMap the data Use a visualizationSpotcheck for null valuesApply a data structure

To better understand customer needs and preferences, a data team merges a dataset of customer purchase histories with a dataset of customer demographics. What should the data team do to ensure the compatibility of the two datasets?1 pointMap the data Spotcheck for null valuesUse a visualizationApply a data structure

Which of the following options describes data analysis?1 pointThe collection, transformation, and organization of data in order to draw conclusions, make predictions, and drive informed decision-makingUsing facts to guide business strategyThe various elements that interact with one another in order to provide, manage, store, organize, analyze, and share dataCreating new ways of modeling and understanding the unknown by using raw da

In the plan stage of the data life cycle, what decisions would a data analyst make? Select all that apply.1 pointWho will be responsible for the dataHow the data will be analyzedWhat kind of data is neededHow the data will be managed2.Question 2A data analyst has finished an analysis project that involved private company data. They erase the digital files in order to keep the information secure. This describes which stage of the data life cycle?1 pointPlanDestroyManage Archive3.Question 3A data analyst is working at a small tech startup. On their current project they are using spreadsheets to aggregate data. In which stage of the data life cycle is this analyst?1 pointArchiveAnalyzePlan Manage4.Question 4Describe how the data life cycle differs from data analysis.1 pointThe data life cycle deals with the stages that data goes through during its useful life; data analysis is the process of analyzing data.The data life cycle deals with making informed decisions; data analysis is using tools to transform data.The data life cycle deals with transforming and verifying data; data analysis is using the insights gained from the data.The data life cycle deals with identifying the best data to solve a problem; data analysis is about asking effective questions.5.Question 5A company takes the insights provided by its data analytics team, validates them, and finalizes a strategy. They then implement a plan to solve the original business problem. This describes the share step of the data analysis process.1 pointTrueFalse6.Question 6Fill in the blank: A formula is a set of instructions used to perform a specified calculation; whereas a function is _____.1 pointa preset commanda computer programming languagea particular valuea question written by the user7.Question 7What does a data analyst use to request information within a database?1 pointCalculationFormulaQueryDashboard8.Question 8Structured query language (SQL) enables data analysts to communicate with a database.1 pointTrueFalse

Why is it necessary for data analysts to be dynamic and adaptable?1 pointTo troubleshoot problems effectivelyTo handle sudden changes in data setsTo avoid learning new technical skillsTo stick to one specific data format