Answer:
The test statistic for this test is 3.82.
Step-by-step explanation:
The null hypothesis is:
The alternate hypotesis is:
Our test statistic is:
In which X is the sample mean, is the value tested at the null hypothesis, is the standard deviation of the population and n is the size of the sample.
In this question:
So
The test statistic for this test is 3.82.
You just find the quartiles which are 62 and 50 the mines them which equals 12.
Answer:
Step-by-step explanation:
THE ANSWER IS 9
Answer:
x:0 y: 3
x: 1 y: -1
x: 2 y: 1
Step-by-step explanation: