A student finds data on an internet site that contains financial information about selected companies. he plans to analyze the d
ata and use the results to develop a stock investment strategy. what kind of data source is he using? what concerns might you have about drawing conclusions from this data set? what kind of data source is he using? choose the correct answer below. a. they are a representative sample of companies.
b. they are from a designed experiment.
c. they are from a survey.
d. the kind of data source is not known.
The kind of data source is not known. Results may be invalid because some internet websites don’t upgrade their formats to the latest one. A lot of important details may also be missing from internet sites since some of their formats are incorrect while their data cannot be used as resource in some statistic software.
