There are 20 squares total you shaded 5
Y2-y1
--------
x2-x1
-8-6
---------
5-9
-14
-----
-4
= 14/4
= 7/2
Answer:
And the 90% confidence interval would be between [566.80 and 579.20]
Step-by-step explanation:
Information given
represent the sample mean
population mean (variable of interest)
s=22 represent the sample standard deviation
n=36 represent the sample size
Confidence interval
The confidence interval for the mean is given by the following formula:
(1)
The degrees of freedom are given by:
The Confidence level is 0.90 or 90%, the significance would be and , and the critical value for this case would be
And replacing we got:
And the 90% confidence interval would be between [566.8033 and 579.1967]
Answer:
y = 1/2x+2
Step-by-step explanation:
-4(x-7)=36
-4x+28=36
-4x=8
x=-2