The process of performing initial investigations on data to spot outliers, discover patterns, and test assumptions with statistical insight and graphical visualization is called:
Different people manually type a series of handwritten surveys into an online database. Which of the following issues will MOST likely arise with this data? (Choose two.)
Which of the following data sampling methods involves dividing a population into subgroups by similar characteristics?
A data analyst must separate the column shown below into multiple columns for each component of the name:Which of the following data manipulation techniques should the analyst perform?
Which of the following descriptive statistical methods are measures of central tendency? (Choose two.)
A data analyst needs to calculate the mean for Q1 sales using the data set below:Which of the following is the mean?