MATH 110 All Exams STATISTICS- Portage Learning Updated Question And Answer

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: Outliers: 4. a) How many were burgers? b) How many were fish? a) Burgers, 2900(0.12)=348 b) Fish, 2900(0.28)=812 Mod 2 Exam 1. During an hour at a fast food restaurant, the following types of sandwiches are ordered: Turkey Turkey Cheeseburger Hamburger Fish Chicken Hamburger Cheeseburger Fish Hamburger Turkey Fish Chicken Chicken Fish Turkey Fish Hamburger Fish Cheeseburger Fish Cheeseburger Hamburger Fish Fish Cheeseburger Hamburger Fish Turkey Turkey Chicken Fish Chicken Cheeseburger Fish Turkey Fish Fish Hamburger Fish Fish Turkey Chicken Hamburger Fish Cheeseburger Chicken Chicken Turkey Fish Hamburger Chicken Fish a) Make a frequency distribution for this data. b) Make a relative frequency distribution for this data. Include relative percentages on this table. a. b. 2. Consider the following data: 392 410 Find the 40th percentile of this data.