Statistics Quiz

1. Data on the ages of customers are ratio scale data.                   @Answer found in section 1.3 Types of Data Scales, in Statistics for Managers (Points : 1)

Question 2. 2. A probability is found by dividing the number of possible outcomes (o) by the number of successes € = o/e. (Points : 1)

Question 3. 3. Inferential statistics infer the characteristics of samples. @Answer found in section 1.4 Describing or Inferring?, in Statistics for Managers (Points : 1)

Question 4. 4. If a manager wants to know the typical deviation in workers’ productivity, she will calculate the range. (Points : 1)

Question 5. 5. Which measure of central tendency includes data from every score? @Answer is found in section 1.5 Descriptive Statistics, in Statistics for Managers (Points : 1)

Question 6. 6. An outlier is an extreme value greater than the mean. (Points : 1)

Question 7. 7. Which of the following is NOT a measure of variability? @Answer found in section 1.5 Descriptive Statistics, in Statistics for Managers (Points : 1)

Question 8. 8. A parameter refers to a sample characteristic. (Points : 1)

Question 9. 9. A dichotomous outcome has only two possibilities. (Points : 1)

Question 10. 10. The tails of a normal distribution never touch the abscissa. (Points : 1)