$$\begin{array} { | l | l | l | }
\hline \text { Group } \boldsymbol { X } & \boldsymbol { f } & \text { cum } \boldsymbol { f } \
\hline & & \
\hline 20 - 22 & 3 & 50 \
\hline 17 - 19 & 5 & 47 \
\hline 14 - 16 & 10 & 42 \
\hline 11 - 13 & 14 & 32 \
\hline 8 - 10 & 11 & 18 \
\hline 5 - 7 & 6 & 7 \
\hline 2 - 4 & 1 & 1 \
\hline
\end{array}$$
-What percentage of scores lies between the z-scores of .33 and 2.15?

Question

$$\begin{array} { | l | l | l | } 
\hline \text { Group } \boldsymbol { X } & \boldsymbol { f } & \text { cum } \boldsymbol { f } \
\hline & & \
\hline 20 - 22 & 3 & 50 \
\hline 17 - 19 & 5 & 47 \
\hline 14 - 16 & 10 & 42 \
\hline 11 - 13 & 14 & 32 \
\hline 8 - 10 & 11 & 18 \
\hline 5 - 7 & 6 & 7 \
\hline 2 - 4 & 1 & 1 \
\hline
\end{array}$$
-What percentage of scores lies between the z-scores of .33 and 2.15?

Quizplus · Accepted Answer

The Answer of $$\begin{array} { | l | l | l | } 
\hline \text { Group } \boldsymbol { X } & \boldsymbol { f } & \text { cum } \boldsymbol { f } \
\hline & & \
\hline 20 - 22 & 3 & 50 \
\hline 17 - 19 & 5 & 47 \
\hline 14 - 16 & 10 & 42 \
\hline 11 - 13 & 14 & 32 \
\hline 8 - 10 & 11 & 18 \
\hline 5 - 7 & 6 & 7 \
\hline 2 - 4 & 1 & 1 \
\hline
\end{array}$$
-What percentage of scores lies between the z-scores of .33 and 2.15?

-What Percentage of Scores Lies Between the Z-Scores of