A Landscaping Company Hypothesizes That They Can Mow a Median $$\begin{array} { l l l l l l l } 22 & 18 & 19 & 20 & 25 & 20 & 18 \\22 & 23 & 20 & 21 & 26 & 24 & 22\end{array}$$

Multiple Choice

A landscaping company hypothesizes that they can mow a median number of 20 lawns in one weekend.
A random sample of 14 weekends yields the following data:
$$\begin{array} { l l l l l l l } 22 & 18 & 19 & 20 & 25 & 20 & 18 \\22 & 23 & 20 & 21 & 26 & 24 & 22\end{array}$$
-Is the landscaping company's hypothesis of a median of 20 lawns per weekend valid?

A) yes
B) no
C) Null hypothesis is invalid because the numbers of positives and negatives are equal.
D) There are not enough data points to make a valid determination.