You want to test whether or not the following sample of 30 observations follows a normal distribution.The mean of the sample equals 11.83 and the standard deviation equals 4.53. $$\begin{array} { l l l l l l l l l l }
2 & 3 & 5 & 5 & 7 & 8 & 8 & 9 & 9 & 10 \
11 & 11 & 12 & 12 & 12 & 12 & 13 & 13 & 13 & 14 \
15 & 15 & 15 & 16 & 16 & 17 & 17 & 18 & 18 & 19
\end{array}$$
The expected frequency in the 3rd interval is
A) 3.
B) 4.
C) 5.
D) 10.

Question

You want to test whether or not the following sample of 30 observations follows a normal distribution.The mean of the sample equals 11.83 and the standard deviation equals 4.53. $$\begin{array} { l l l l l l l l l l } 
2 & 3 & 5 & 5 & 7 & 8 & 8 & 9 & 9 & 10 \
11 & 11 & 12 & 12 & 12 & 12 & 13 & 13 & 13 & 14 \
15 & 15 & 15 & 16 & 16 & 17 & 17 & 18 & 18 & 19
\end{array}$$
The expected frequency in the 3rd interval is
A) 3.
B) 4.
C) 5.
D) 10.

Quizplus · Accepted Answer

The Answer of You want to test whether or not the following sample of 30 observations follows a normal distribution.The mean of the sample equals 11.83 and the standard deviation equals 4.53. $$\begin{array} { l l l l l l l l l l } 
2 & 3 & 5 & 5 & 7 & 8 & 8 & 9 & 9 & 10 \
11 & 11 & 12 & 12 & 12 & 12 & 13 & 13 & 13 & 14 \
15 & 15 & 15 & 16 & 16 & 17 & 17 & 18 & 18 & 19
\end{array}$$
The expected frequency in the 3rd interval is
A) 3.
B) 4.
C) 5.
D) 10.

You Want to Test Whether or Not the Following Sample