2. We want to describe the so-called typical student at Penn State Harrisburg. What are some variables that we could measure that describe a characteristic of the student that can be? a. an interval variable b. an ordinal variable c. a nominal variable

You wonder whether talking to plants keeps them from dying. You conduct a study in which you talk to one group of five plants and do not talk to a second group of five plants. After two weeks, you record whether each plant has lived or died. This assessment of plant health is a(n) _____ dependent variable, which means that the data can be analyzed using a(n) _____ test. a. nominal; parametric b. interval; parametric c. interval; nonparametric d. nominal; nonparametric

Identify whether each variable as discrete or continuous. 1. the number of the telephone calls received 2. the length of a piece of ribbon 3. speed of a train 4. number of flaws in a bolt of fabric 5. a person's age 6. the weight of a bag of apples 7. the number of felony arrests in a town 8. the population of the Philippines 9. the weight, in the nearest whole number, of a grade 11 studem 10. the number of goals in a soccer match 11. the volume of water in a jar

a.  Which measure of association would be most appropriate for these variables? b.  What is the value of the measure of association? c.  What is the strength of the association? d.  Would be appropriate to interpret a direction for the association? If so, which direction is the association between the two variables?

2. The boxplot below represents data collected on some variable of interest. The mean of this data set is 51. The vertical line represents some value which we will call "X". In the table below there are ten numbers, ordered from smallest to largest. For parts a. through f., write down the number that matches the appropriate value from the table. No number will be used more than once, and four numbers will not be used at all. X : 40 45 50 55 60 - 5.9 - 0.63 0.69 5.1 17.8 20.5 48.5 51.9 53.6 56.3 a. Q1 (25th percentile) = b. Median = c. Range = d. Q3 (75th percentile) = e. IQR = f. Proportion of data larger than X= 1

3. What is the missing y-value? 2 1 4 y 0. ??? 2 2.

Answer part A and D only!

1. For the following fill in the table: Qualitative or Continuous or Discrete (Write NA for Nominal, Ordinal, Quantitative Variable when neither apply to the variable) Interval or Ratio Shoes sizes Someone's Age Colors: red, blue, green, Spicy levels: “mild, medium, hot"