1. A teacher asks students to identify their favorite reality television show. What type of measurement scale do the different television shows make up?

Select one:
a. Nominal
b. Ordinal
c. Ratio
d. Interval

2. Given the following bivariate data, compute the sum of squares to one decimal place.

\[
\begin{array}{c|c}
x & y \\
\hline
2 & 3 \\
4 & 5 \\
8 & 6 \\
8 & 15 \\
18 & 10 \\
12 & 21 \\
\end{array}
\]

3. A regression between foot length (response variable in cm) and height (explanatory variable in inches) for 33 students resulted in the following regression equation: \(\hat{y} = 10.9 + 0.23x\). One student in the sample was 73 inches tall with a foot length of 29 cm. What is the residual for this student?

Select one:
a. 1.31 cm
b. -1.31 cm
c. 0.00 cm
d. 29.00 cm

4. A regression equation for left palm length (y variable) and right palm length (x variable) for 55 college students gave an error sum of squares (SSE) of 10.7 and a total sum of squares (SSTO) of 85.2. The proportion of variation explained by x, \(R^2\), is

Select one:
a. 87.4%
b. 11.2%
c. 12.696%
d. 88.8%