I\& In a Math 131 class at a University, the grades on the first exam are shown in the table below. Complete parts (a) through (g) below. 73 89 a. Find the mean. The mean of the scores is 61.1 : (Round to one decimal place as needed.) b. Find the median. The median of the scores is 55.0 . (Round to one decimal place as needed.) c. Find the mode. Find the mode of the test scores. Select the correct choice below and, if necessary, fill in the answer box to complete your choice. A. The mode of the test scores is B. The modes of the test scores are (Use a comma to separate answers as needed.) C. There is no mode for the test scores.
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To find the mode, you need to identify which score appears most frequently in your data set. If there's a single score that occurs more than any others, that score is the mode. If multiple scores tie for frequency, you have more than one mode, making the data bimodal or multimodal. If no score repeats, then, unfortunately, it's a party with no mode! When it comes to calculating the mean and median, the key is remembering the difference: the mean is the average, calculated by adding all scores together and dividing by the total number of scores. The median is that sweet middle point when scores are lined up in order! If you have an even number of scores, the median will be the average of the two middle numbers. So, just buckle up and crunch those numbers!