The following data set presents the number of laptops individuals own. Questions 10 through 13 will use the data below:
$$\begin{array} { c c }
\hline \begin{array} { l }
\text { Number of } \
\text { laptops }
\end{array} & \boldsymbol { f } \
\hline 0 & 7 \
1 & 141 \
2 & 81 \
3 & 5 \
4 & 3 \
5 & 7 \
\hline
\end{array}$$
-What is the cumulative relative frequency for owning 3 laptops?
A) 95.9%
B) 2%
C) 93.9%
D) insufficient information.

Question

The following data set presents the number of laptops individuals own. Questions 10 through 13 will use the data below:
 $$\begin{array} { c c } 
\hline \begin{array} { l } 
\text { Number of } \
\text { laptops }
\end{array} & \boldsymbol { f } \
\hline 0 & 7 \
1 & 141 \
2 & 81 \
3 & 5 \
4 & 3 \
5 & 7 \
\hline
\end{array}$$
-What is the cumulative relative frequency for owning 3 laptops?
A) 95.9%
B) 2%
C) 93.9%
D) insufficient information.

Quizplus · Accepted Answer

The cumulative relative frequency for owning 3 laptops is calculated by adding the frequencies for 0, 1, 2, and 3 laptops, then dividing by the total number of observations. The total frequency is 244. The cumulative frequency for 3 laptops is 234. Thus, the cumulative relative frequency is (234/244) * 100% = 95.9%.

The Following Data Set Presents the Number of Laptops Individuals