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Anais is organizing her rock collection and places each rock in one of three categories: small, medium, or large. This illustrates what level of measurement? Select one: a. nominal b. ordinal Correct c. interval d. ratio Question 2 Incorrect 0.00 points out of 8.33 Not flaggedFlag question Question text Which of the following is an example of a nominal variable? Select one: a. age Incorrect b. gender c. height d. IQ Question 3 Incorrect 0.00 points out of 8.33 Not flaggedFlag question Question text What sort of data are temperature measurements? Select one: a. interval b. nominal Incorrect c. ordinal d. ratio Question 4 Incorrect 0.00 points out of 8.33 Not flaggedFlag question Question text Based on the graph, which statement best describes the relationship between daily high temperatures and the number of people going to the beach? Text Select one: a. There is no relationship. b. It is a positive linear relationship. Incorrect c. It is a negative linear relationship. d. It is a curvilinear relationship. Question 5 Correct 8.33 points out of 8.33 Not flaggedFlag question Question text The table shows the number of train tickets Carl purchased to each station over the last month and the fare to each station. What was the average cost per ride? Select one: a. $3.60 b. $4.15 c. $5.45 Correct d. $5.80 Question 6 Incorrect 0.00 points out of 8.33 Not flaggedFlag question Question text The outcomes observed in an experiment are: 2, 8, 3, 10, 4, and 9. What is the sample variance? Select one: a. 4.1 b. 7.6 Incorrect c. 9.3 d. 11.6 Question 7 Incorrect 0.00 points out of 8.33 Not flaggedFlag question Question text Jason collects information about annual family income from each student at his college. He computes both the mean and median family income across all students and is surprised to find that the mean income is much higher than the median income. What is the most likely reason for the difference in the mean and the median? Select one: a. The sample size is too small. b. The median tends to produce lower estimates of central tendency. c. The median is not an appropriate estimate for annual family income’s level of measurement. Incorrect d. The mean is more affected by a small number of extreme values. Question 8 Incorrect
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