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Practice Problems
ACCT 1230

1- After the graduation ceremonies at a university, six graduates were asked whether they were in favor of (identified by 1) or against (identified by 0) abortion. Some information about these graduates is shown below.

| |Graduate |Sex |Age |Abortion Issue |Class Rank | | |Nancy |F |22 |1 |  3 | | |Michael |M |21 |1 |  2 | | |Tammy |F |33 |0 |  1 | | |John |M |38 |0 |20 | | |Marlene |F |25 |1 |  4 | | |David |M |19 |0 |  8 |

|a. |How many elements are in the data set? | |b. |How many variables are in the data set? | |c. |How many observations are in the data set? | |d. |Name the scale of measurement for each of the above (Sex, Age, Abortion Issue, Class rank). | |e. |Which of the above (Sex, Age, Abortion Issue, Class rank) are categorical and which are quantitative variables? | |f. |Are arithmetic operations appropriate for the variable "abortion issue"? |

2- The following shows the temperatures (high, low) and weather conditions in a given Sunday for some selected world cities. For the weather conditions, the following notations are used: c ’ clear; cl ’ cloudy; sh ’ showers; pc ’ partly cloudy.

| |City |Hi |Lo |Condition | | |1 |Acapulco |99 |77 |pc | | |2 |Bangkok |92 |78 |pc | | |3 |Mexico City |77 |57 |sh | | |4 |Montreal |72 |56 |pc | | |5 |Paris |77 |58 |  c | | |6 |Rome |88 |68 |cl | | |7 |Toronto |78 |61 |  c | |

|a. |How many elements are in this data set? | |b. |How many variables are in this data set? | |c. |How many observations are in this data set? | |d. |Name the scale of measurement for each of the variables. | |e. |Name the variables and indicate whether they are categorical or quantitative. | |f. |For which variables are arithmetic operations appropriate and for which are...
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