Mean, Median, Mode – Day 1 Name: ____________________________ Date: ________ I can determine the mean, median, mode and range for a set of data. I can determine the mean, median, mode and range from a set of data represented in a display. (MN 7.4.1.1) Key Terms: Maximum: the greatest value in a data set Mode: the number(s) that appear the most Minimum: the least value in a data set Median: number that is found in the middle of an ordered data set (numbers must be in order) Outlier: a number that doesn’t really fit the rest of the numbers in a data set (either really, really big or really, really small) Use the set of data shown below to answer questions 1-5. 8, 13, 16, 22, 10, 15, 13, 19, 31, 20, 9 1) What is the maximum value in the data set? A. 8 B. 23 C. 35 D. 31 2) What is the range? A. 10 C. 35 B. 23 D. 31 Mean (the average): where you add up all the numbers and then divide by the number of numbers Use the set of data shown below to answer questions 6-8. Attendance data for the Minnesota Vikings Game 1 35,656 Game 2 35,620 Game 3 34,940 Game 4 32,720 Game 5 33,964 6) What was a median attendance for the Vikings last five home games? 6) ______________ 7) What was the mean attendance? 3) What is the median of the data set? A. 8 B. 13 C. 15 D. 10 4) What is the mode of the data set? A. 8 B. 13 C. 15 D. 31 5) What is the mean of the data set? A. 8 B. 16 C. 22.5 D. 173.5 7) ______________ 8) What was the minimum attendance number during this 5 game period? 8) ______________ Use the graph to answer problems 9-12. Use the line plot to answer problems 13-16. Scores on a Math Quiz Inches of snowfall in Soldotna, AK Snowfall (in) 12 X X X X X X 14 15 16 10 X X 8 6 10 4 11 12 13 X X X X X X X X X X X X 17 18 19 20 2 0 Dec Jan Feb Mar Month April May 9) What is the minimum of the data set? A. 0 B. 4 C. 11 D. 12 13) What is the range of the data set? A. 9 B. 10 C. 11 D. 6 10) What is the maximum of the data set? A. 10 B. 11 C. 12 D. 13 14) What is the mode of the data set? A. 14 B. 16 C. 18 D. 20 11) What is the median of the data set? A. 4 B. 6 C. 5 D. 7.5 15) What is the median of the data set? A. 15 B. 16 C. 17 D. 18 12) What is the mean of the data set? A. 5 B. 7.3 C. 6 D. none of these 16) True or False? There is at least one outlier in this data set. (circle one) True False Mixed Review: (MN 7.3.1.1 & MN 7.3.2.2) 17) The triangles shown below are similar. Find the missing length. 20 32 5 x 19) What is the circumference of a circle that has a diameter of 14 in? Use 3.14 for π. A. 21.98 in B. 43.96 in C. 87.92 in D. 153.86 in 7 28 A. 4 B. 6 C. 8 D. 9 18) What is the absolute value of 18? A. -9 B. 9 C. -18 D. 18 20) What is the area of a circle that has a radius of 24 in? Use 3.14 for π. A. 37.68 in2 B. 1808.64 in2 C. 75.36 in2 D. 452.16 in2 21) Which expression can be use to find the area of a circle? A. 2πr B. πd C. 2πd D. πr2