Mathematics, 04.04.2020 03:02, aesmithswhs
In order to estimate the statistical difference between the average hourly wages of employees of two branches of a department store, two independent random samples were selected and the following statistics were calculated.
Downtown Store North Mall Store
Sample size 25 20
Sample mean $9 $8
Sample standard deviation $2 $1
1) The alternative hypothesis is .
2) The null hypothesis in this case .
Answers: 2
Other questions on the subject: Mathematics
Mathematics, 21.06.2019 20:30, avahrider1
The distance of a chord from the centre of a circle is 12cm and the lenght of the chord is 10cm. find the radius of the circle
Answers: 1
Mathematics, 22.06.2019 01:40, amendes11
Areflection of shape i across the y-axis, followed by a , and then a translation left 6 units and down 4 units confirms congruence between shape i and shape ii. alternatively, a of shape ii about the origin, followed by a reflection across the y-axis, and then a translation right 4 units and up 6 units confirms congruence between shape ii and shape i.
Answers: 3
Do you know the correct answer?
In order to estimate the statistical difference between the average hourly wages of employees of two...
Questions in other subjects:
Mathematics, 18.03.2021 21:30
English, 18.03.2021 21:30
