A Amateur Golfer Wishes to Determine If There Is a Difference

question 39

Multiple Choice

A amateur golfer wishes to determine if there is a difference between the drive distances of her two favorite drivers. (A driver is a specialized club for driving the golf ball down $r$ i She hits fourteen balls with driver A and 10 balls with driver B. The The drive distances ( for the trials are show below.
$\begin{array}{l}\text { Driver A }\\\begin{array}{lllllll}\hline 302 & 283 & 283 & 291 & 241 & 268 & 276 \\\hline 263 & 296 & 268 & 291 & 262 & 274 & 278 \\\hline\end{array}\end{array}$

$\begin{array}{lllll}{\text { Driver B }} \\\hline 247 & 313 & 246 & 208 & 261 \\\hline 283 & 237 & 245 & 224 & 249 \\\hline\end{array}$

Assume that the populations are approximately normal. Can you conclude that there is a difference in the mean drive distances for the two drivers? Use the $\alpha = 0.01$ level of significance.

• A) Yes
• B) No

---

Definitions:

Intermediate Filaments

Cytoplasmic fibers that are part of the cytoskeletal network and are intermediate in diameter between microtubules and microfilaments.

Dynein

A motor protein in cells which uses the energy from ATP to transport cellular cargo along microtubules towards the cell's nucleus.

Microtubules

Hollow, cylindrical fibers consisting of tubulin protein subunits; major components of the cytoskeleton and found in mitotic spindles, cilia, flagella, centrioles, and basal bodies.

ATP

Adenosine triphosphate, an organic compound that provides energy to drive many processes in living cells.