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Refer to the exhibit. A movie analyst is using an app to gain insights into films created in the early 20th century. The analyst reviews the filter for Length Range, notices a hyphen "-", and selects it. What can the analyst determine from the resulting filter panes?
Correct Answer: D
In the provided exhibit, the movie analyst filters by the Length Range field and notices a hyphen ("-"), which typically indicates missing data in Qlik Sense. When the analyst selects this hyphen, it filters out the rows where no data exists for the Length Range field. Let's review the options: A . Six movies in the source data contain illegal characters for the Length Range field. This statement is incorrect. The hyphen ("-") is not an indicator of illegal characters. In Qlik Sense, it usually represents null values or missing data, not improperly formatted data. B . Movies at the start of the 20th century often varied in length. This answer is not relevant to the specific observation of the hyphen in the Length Range field. The hyphen does not provide insights into the variation of movie lengths; it indicates missing data. C . All movies from the 1920s or 1930s contain no data for Length Range. While the screenshot shows some movies from different decades, we cannot definitively conclude that all movies from a particular era are missing the Length Range data. The hyphen indicates that some movies across various years are missing data, but this does not apply to all movies from the 1920s or 1930s. D . The source data for six movies is missing a Length Range. This is the correct interpretation. The hyphen in the Length Range column indicates that these six movies lack data for this field. Selecting the hyphen allows the analyst to identify movies with missing values in the Length Range field. Key Qlik Sense Business Analyst References: Hyphen ("-") in Qlik Sense typically represents null or missing values in a field. Filter panes in Qlik Sense allow users to quickly see where data may be incomplete or missing, and selecting these null values provides immediate insight into which records are affected. Thus, the correct determination is that the source data for six movies is missing a Length Range.