5. Billy Bob wrote a math contest and scored 122. He scored in the / oth percentile. What does this med [1 mark] G . 78% of the people who wrote the test scored 122. R. 78%% of the people who wrote the test scored 122 or lower. A. 78% of the people who wrote the test scored 122 or higher. P. Anyone who scored 122 or higher would pass the test 78% of the time H. none of the above MDM4U Page 2 of 4 Name: 6. When examining the ages at two different parties, it was found that the standard deviation for the first party was 5.1 and the standard deviation for the second party was 7.3. Which of the following is true? [2 marks] M. The ages at the first party were lower than the ages at the second party. A. The difference between the highest age and the lowest age for the first party was 5.1 and the difference between the highest age and the lowest age for the second party was 7.3. T. Ages at the first party were more consistent. H. The ages at the first party were more spread out. 7. Some students in a class were asked what their show size is. The results are shown in the table below. Calculate the mean (1 decimal place and show below table) and standard deviation for this sample (2 decimal places). [2 +3 marks] Shoe Size Frequency 6 2 7 W 8 6 9 5 10 4