MATH 225N Week 2 Assignment; Frequency Tables

1. Question: An instructor asks students to rate their anxiety level on a scale of 1 to 100 (1 being low anxiety and 100 being high anxiety) just before the students take their final exam. The responses are shown below. Construct the table for the instructor using six classes. 48,50,71,58,56,55,53,70,63,74,64,33,34,39,49,60,65,84,54,58 2. Question: William wishes to view a frequency table for grouped data using his monthly credit card statements for the last 20 months, shown below. Construct the table for William using six classes. 1312, 1303, 809, 1477, 1263, 1444, 894, 1051, 1485, 1433, 1132, 1221, 1179, 945, 995, 1179, 1172, 1373, 906, 955 3. Question: Given the relative frequency table below, which of the following is the corresponding cumulative relative frequency table? 4. Question: The cumulative relative frequency table for a set of data is shown below. What is the missing cumulative relative frequency? 5. Question: The cumulative relative frequency table for a set of data is shown below. What is the missing cumulative relative frequency? 6. Question: Given the relative frequency table below, which of the following is the corresponding cumulative relative frequency table? 7. Question: A group of students were surveyed about the number of siblings they have. The frequencies and relative frequencies of their responses are shown in the below. Complete the cumulative relative frequency table.