The data below show the number of tornadoes spotted in a midwestern state in the U.S.A.annually before and after 1960.A researcher wants to determine whether there has been a change in the frequency of tornadoes in this state. $$\begin{array} { l | l }
1940 - 1959 & 1960 - 1979 \
\hline 2,2,2,9,4 , & 4,0,1,2,2 \
2,0,1,2,1 , & 1,3,2,4,5 \
2,3,3,5,4 , & 1,2,4,2,1 \
5,2,4,0,4 & 0,2,4,2,2
\end{array}$$

Question

The data below show the number of tornadoes spotted in a midwestern state in the U.S.A.annually before and after 1960.A researcher wants to determine whether there has been a change in the frequency of tornadoes in this state. $$\begin{array} { l | l } 
1940 - 1959 & 1960 - 1979 \
\hline 2,2,2,9,4 , & 4,0,1,2,2 \
2,0,1,2,1 , & 1,3,2,4,5 \
2,3,3,5,4 , & 1,2,4,2,1 \
5,2,4,0,4 & 0,2,4,2,2
\end{array}$$

Quizplus · Accepted Answer

The Answer of The data below show the number of tornadoes spotted in a midwestern state in the U.S.A.annually before and after 1960.A researcher wants to determine whether there has been a change in the frequency of tornadoes in this state. $$\begin{array} { l | l } 
1940 - 1959 & 1960 - 1979 \
\hline 2,2,2,9,4 , & 4,0,1,2,2 \
2,0,1,2,1 , & 1,3,2,4,5 \
2,3,3,5,4 , & 1,2,4,2,1 \
5,2,4,0,4 & 0,2,4,2,2
\end{array}$$

The Data Below Show the Number of Tornadoes Spotted in a Midwestern