In order to determine whether or not there is a significant difference between the mean hourly wages paid by two companies (of the same industry), the following data have been accumulated. $$\begin{array} { l l l }
& \text { Company A } & \text { Company B } \
\text { Sample size } & 80 & 60 \
\text { Sample mean } & \$ 16.75 & \$ 16.25 \
\text { Population standard deviation } &\$ 1.00 & \$ .95
\end{array}$$ A point estimate for the difference between the two population means is
A) 20.
B) .50.
C) .25.
D) 1.00.

Question

In order to determine whether or not there is a significant difference between the mean hourly wages paid by two companies (of the same industry), the following data have been accumulated. $$\begin{array} { l l l } 
 & \text { Company A } & \text { Company B } \
\text { Sample size } & 80 & 60 \
\text { Sample mean } & \$ 16.75 & \$ 16.25 \
\text { Population standard deviation } &\$ 1.00 & \$ .95
\end{array}$$   A point estimate for the difference between the two population means is
A) 20.
B) .50.
C) .25.
D) 1.00.

Quizplus · Accepted Answer

The Answer of In order to determine whether or not there is a significant difference between the mean hourly wages paid by two companies (of the same industry), the following data have been accumulated. $$\begin{array} { l l l } 
 & \text { Company A } & \text { Company B } \
\text { Sample size } & 80 & 60 \
\text { Sample mean } & \$ 16.75 & \$ 16.25 \
\text { Population standard deviation } &\$ 1.00 & \$ .95
\end{array}$$   A point estimate for the difference between the two population means is
A) 20.
B) .50.
C) .25.
D) 1.00.

In Order to Determine Whether or Not There Is a Significant