MAT 202-LEVELS OF MEASUREMENT. Questions and Answers

MAT 202-LEVELS OF MEASUREMENT. Questions and Answers Question 1 of 6Points: 10 out of 10 What are the individuals in this example? The course instructor Sport, Exercise, Personality, and Death penalty The students enrolled in Intro to Statistics Correct. Individuals are the people/objects that information is collected on. Therefore, in this case, the individuals are the 225 students enrolled in the Intro to Statistics course. Question 2 of 6Points: 10 out of 10 How many variables are in this example? 225 4 900 Correct. The variables are the characteristics/pieces of information that are collected on the individuals. In this case, there are therefore 4 variables: Sport, Exercise, Personality, and Death penalty. Question 3 of 6Points: 10 out of 10 Which of the variables above is ordinal? Personality Exercise Death penalty Sport Correct. In this example, Death penalty is an ordinal variable since the possible values are naturally ordered from strong agreement to strong disagreement. Question 4 of 6Points: 10 out of 10 What kind of variable is Personality? Interval Ratio Nominal Ordinal Correct. Personality is an interval variable since the value of 0 does not mean “no personality” but rather it means total introvert. Question 5 of 6Points: 10 out of 10 What kind of variable is Sport? Ratio Ordinal Nominal Interval Correct. Sport is a categorical variable where the possible values do not have a natural order and therefore it is nominal. Question 6 of 6Points: 10 out of 10 Which of the following variables is not a ratio variable? Internet (How much minutes/day do you spend on the Internet?) Text messages (How many text messages you send a day) Temperature (Outside temperature) Charity (How much money do you donate to charity in a year) Correct. Temperature is an interval variable. Temperature = 0 does not mean that “there is no temperature” (in fact, there is no such thing). Temperature = 0 means that it is very cold that day. EXAMINING DISTRIBUTIONS CHECKPOINT 1