In: Statistics and Probability
Mechanical engineers have investigated the performance of the
males in assembling aircraft hydraulic systems compared
to...
- Mechanical engineers have investigated the performance of the
males in assembling aircraft hydraulic systems compared
to females technicians. Random samples of 7 males and 7 females
technicians were chosen to assemble similar hydraulic systems. The
following table shows the data in minutes.
Males
|
7
|
21
|
27
|
18
|
20
|
24
|
16
|
Females
|
8
|
18
|
24
|
19
|
16
|
19
|
16
|
- At the 5% significance level, can you conclude that males’
performance is higher than that of the females?
- Construct a 95% confidence interval for the difference of the
two means.