Jana is demonstrating a participant observation method. This is known as a type of data collection method by which the observer takes part in a particular activity and observes the environment or the particular event that he or she is likely to take note of and take mind of what he or she has learned or observed.
Through migration culture can be spread and mixed because as example if the people of one country migrated to the other one then in the country their migrated to their gone speak their language wear their cultural clothes and even perform different activities from their culture and they might even get married to a native person from that country which leads into spreading of culture and mixing:))
Answer:Approximately 68% of the data fall within one standard deviation of the mean. Approximately 95% of the data fall within two standard deviations of the mean. Approximately 99.7% of the data fall within three standard deviations of the mean.
Explanation: