1) The process of sorting through large data sets to identify patterns and relationships that can help solve business problems through data analysis is called? a) Data Cleansing b) Data Analysis c) Data Mining d) Data Modelling 2) Data mining techniques and tools enable enterprises to.... a) Clean Data b) Produce Reports c) Create Dashboards d) Predict Future Trends e) Make More-Informed Business Decisions. 3) How many stages are recommended and required for a basic Statistical Analysis?  a) 6 b) 9 c) 5 d) 8 e) 7 4) What are the two main approaches to select a sample? a) Probability Sampling b) Using Averages c) Using the Mode d) Non-Probability Sampling 5) What are null and alternative hypothesis? (Two Answers) a) Always predicts no effect or no relationship between variables b) Hypothesis does not exist c) States your research prediction of an effect or relationship. d) Another hypothesis different than the hypothesis null e) A hypothesis that has not been tested 6) Time Series Analysis is... a) A series of time analysed by people b) An analysis of people buying in a shop c) An analysis of orders in fast food truck d) A specific way of analysing a sequence of data points collected over an interval of time 7) Trend Analysis means  a) Trace lines or bars in visualisation b) Latest fashion products c) Determining consistent movement in a certain direction d) Customers buying winter jackets 8) Which of the following is not a type of time series analysis? a) Classification b) Descriptive Analysis c) Explanative analysis d) Exploratory analysis e) Document Analysis f) Forecasting 9) Time series forecasting is? a) Counting the numbers of attendees in a course b) The process of analysing time series data using statistics and modelling to make predictions and inform strategic decision-making c) Calculate the net profit d) Provide information for analysis 10) Which of these is not a consideration in forescasting a) Variables b) Time Horizons c) Dynamic and Static States d) Data Quality 11) Which of these is not a component of a Dashboard? a) Line Charts b) Bar Charts c) Pie Charts d) Column Charts e) Numbers of Users 12) Why do we use Dashboards? a) Provide critical reporting and metrics information b) Use Line Charts c) Use Pie Charts d) Vsualise a summary of data analysis that provides an at-a-glance overview of multiple areas of the business e) Make people work in analytics

Statistical Analysis & Data Visualisation Quiz

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