The scores of University exams are displayed on the board. The scores of students are :- 56,67,34,45,64,67,75,58,54,59,67. Find the mean of the given scores.

Marvel movies - Kylie is a huge fan of Marvel movies. She finds an online poll that asks, "What is the best movie of the Marvel Cinematic Universe?" and saves the data. For a class project she wants to determine if the distribution of her classmates' favorite Marvel movies is different from the one published in the online poll. She surveys the 215 students in her statistics class. The table below contains the percentages reported by the online poll and the observed counts from her classmates. Report all calculated answers to 4 decimal places. Poll Observed Movie Percentage Count Captain America: The Winter Soldier 18.1% 34 Guardians of the Galaxy 14% 34 The Avengers 13.9% 32 Captain America: Civil War 11.4% 24 Iron Man 7.5% 20 Doctor Strange 3.7% 10 Other Marvel movie 31.4% 61

Find the mean, median, 1rst quartile and 3rd quartile of the following numbers:  61,65,66,69,70,72,73,75,78,80,83,84,87

Find P₄₁ , which is the score separating the bottom 41% from the top 59%.P₄₁ =Enter your answer as a number accurate to 1 decimal place. Answers obtained using exact z-scores or z-scores rounded to 3 decimal places are accepted.