![Mathematics](/tpl/images/cats/mat.png)
Mathematics, 16.10.2019 17:20, zairaefh3200
Acoffee manufacturer is interested in whether the mean daily consumption of regular-coffee drinkers is less than that of decaffeinated-coffee drinkers. assume the population standard deviation for those drinking regular coffee is 1.29 cups per day and 1.44 cups per day for those drinking decaffeinated coffee. a random sample of 55 regular-coffee drinkers showed a mean of 4.41 cups per day. a sample of 47 decaffeinated-coffee drinkers showed a mean of 5.16 cups per day. use the 0.02 significance level.
is this a one-tailed or a two-tailed test?
one-tailed test.
two-tailed test.
2) state the decision rule.
![answer](/tpl/images/cats/otvet.png)
Answers: 3
Other questions on the subject: Mathematics
![image](/tpl/images/cats/mat.png)
![image](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 21:30, ashleyprescot05
Find the missing dimension! need asap! tiny square is a =3025 in Β²
Answers: 1
![image](/tpl/images/cats/mat.png)
![image](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 23:30, andreawright13
The complement of an angle is one-sixth the measure of the supplement of the angle. what is the measure of the complement angle?
Answers: 3
Do you know the correct answer?
Acoffee manufacturer is interested in whether the mean daily consumption of regular-coffee drinkers...
Questions in other subjects:
![Konu](/tpl/images/cats/istoriya.png)
![Konu](/tpl/images/cats/mat.png)
Mathematics, 01.04.2021 02:50
![Konu](/tpl/images/cats/en.png)
English, 01.04.2021 02:50
![Konu](/tpl/images/cats/ekonomika.png)
![Konu](/tpl/images/cats/ekonomika.png)
![Konu](/tpl/images/cats/biologiya.png)
![Konu](/tpl/images/cats/mat.png)
Mathematics, 01.04.2021 02:50
![Konu](/tpl/images/cats/mat.png)
![Konu](/tpl/images/cats/mat.png)