Will vote with 8 questions which statement is not true of frequency tables? the number of tallies should equal the sum of the frequencies. if there are intervals, they should always be 5. the size of the sample is the sum of the frequencies. numerical data or categorical data can be shown.

Ascientist wants to use a model to present the results of his detailed scientific investigation. why would a model be useful? a )because the model makes the concepts easier to understand b) because the model is easy to put together and to use c) because the model prevents other scientists from asking questions d) because the model requires the audience to pay full attention to it i don't know what to choose because between a and d a is much more likely than d because it only wants to get the attention of the audience. i'm confuse.