Prof. Hardtack gave four Friday quizzes last semester in his 10-student senior tax accounting class. Quiz 1: 60, 60, 60, 60, 71, 73, 74, 75, 88, 99 Quiz 2: 65, 65, 65, 65, 70, 74, 79, 79, 79, 79 Quiz 3: 66, 67, 70, 71, 72, 72, 74, 74, 95, 99 Quiz 4: 10, 49, 70, 80, 85, 88, 90, 93, 97, 98 Click here for the Excel Data File (a) Find the mean, median, and mode for each Quiz. (Leave no cells blank - be certain to select "None" wherever required. Round your answers to 2 decimal places.) Quiz 1 Quiz 2 Quiz 3 Quiz 4 Count Mean Median Mode (b) Do these measures of center agree? Yes No (c) For each data set, note strengths or weaknesses of each statistic of center. (You may select more than one answer. Click the box with a check mark for the correct answer and double click to empty the box for the wrong answer.) Where the mean and median disagree, one should look at the shape of the distribution to see which measure is more appropriate. The mode is a reliable measure of central tendency for quantitative data. Where the mean and median agree, one should look at the shape of the distribution to see which measure is more appropriate. The mode is an unreliable measure of central tendency for quantitative data. (d) Are the data symmetric or skewed? If skewed, which direction? Quiz 1 Quiz 2 Quiz 3 Quiz 4 (e) Pick the correct student performance on each Quiz. Students on average did better on: Quizzes 1 and 2. Quizzes 2 and 4. Quizzes 3 and 4. Quiz 3.