MATH 110 Introduction to Statistics - Portage Learning All Exam Questions and Correct Answers

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MATH 110 Introduction to Statistics - Portage Learning All Exam Questions and Correct Answers Mod 1 Exam 1 1.Define each of the following: a) Observation b) Element c) Variable Observation- all the information collected for each element in a study Element- in a data set, the individual and unique entry about which data has been collected, analyzed and presented in the same manner Variable- a particular, measurable attribute that the researcher believes is needed to describe the element in their study. 2.Explain outliers An outlier is a value which is out of place compared to the other values. It may be too large or too small compared to the other values 3.Look at the following data and see if you can identify any outliers: 53 786 789 821 794 805 63 777 814 2333 783 811 795 788 780 Outliers: 53 63 2333 4. a) How many were burgers? b) How many were fish? a) Burgers, 2900(0.12)=348 b) Fish, 2900(0.28)=812