1) Which of the following is a statistical question? a) Ashley asked ninety people, "How many hours of sleep do you get?" b) Lisa asked Chang, "How old are you?" c) Kevin asked a person in line, "How many pets do you have?" d) Yolanda asked her classmates, "What is your mass in kilograms?" 2) In a recent survey, 8 college graduates were each asked for the number of hours they work each week. Here is their responses: 34, 36, 52, 49, 47, 34, 40, 51. Find the RANGE. a) 15 b) 16 c) 17 d) 18 3) Find the MODE. a) 1 b) 2 c) 4 d) 7 4) Find the RANGE. a) 8 b) 7 c) 6 d) 5 5) The 11 participants in an experiment had the following reaction times (in milliseconds): 230, 480, 481, 483, 492, 497, 504, 505, 507, 510, 510. Identify any OUTLIERS. a) 230 b) 497 c) 510 d) No outliers 6) The following list gives the number of pets for each of 9 students. 1, 4, 4, 0, 4, 0, 3, 1. Find the MODE. a) 0 b) 1 c) 3 d) 4 7) What is the frequency of the number of miles from 2 to 7? a) 2 b) 3 c) 4 d) 5 8) What is the frequency of the number of miles from 8 to 13? a) 2 b) 4 c) 5 d) 9 9) What is the frequency of the number of miles from 14 to 19? a) 2 b) 4 c) 5 d) 9 10) What is the frequency of the number of miles from 20 to 25? a) 2 b) 4 c) 5 d) 9

Data Analysis Review

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