Mr. Patterson gave his students a biology test last week. Here are the test scores for each of the sixteen students. Test scores 80,86,83,81,78,90,78,82,84,85,74,77,79,74,73,89 Complete the grouped frequency distribution for the data. (Note that the class width is 4) Test scores Frequency 72 to 75 76 to 79 80 to 83 84 to 87 88 to 91