Answer: inaccurate data
Explanation: Because he was unable to gather accurate data for his statistics report on market demand .
Answer: The reliability and accuracy of the forecasts might decrease.
Explanation:
Trend analysis is the general practice of the collection of information in order to spot a pattern. Even though it is used to forecast future events, it can also be used for the estimation of unknown events in the past. Because trend analysis is hinged on historical data, the reliability and accuracy of the forecasts deteriorate when there is a change in business environment or when cyclical trends is mistaken for long-term influences. Also, when one does not know the changes that might affect a business, forecasts on trend analysis might not be reliable.
