They y-axis represents the -3 now all that you need to do is line it up to -3 and 3 in the graph
Answer:
time is gold ............
Answer:
it'll cost about $4.13
Step-by-step explanation:
Answer:
We use students' t distribution therefore degrees of freedom is v= n-2
Step-by-step explanation:
<u>Confidence Interval Estimate of Population Regression Co efficient β.</u>
To construct the confidence interval for β, the population regression co efficient , we use b, the sample estimate of β. The sampling distribution of b is normally distributed with mean β and a standard deviation σ.y.x / √(x-x`)². That is the variable z = b - β/σ.y.x / √(x-x`)² is a standard normal variable. But σ.y.x is not known so we use S.y.x and also student's t distribution rather than normal distribution.
t= b - β/S.y.x / √(x-x`)² = b - β/Sb [Sb = S.y.x / √(x-x`)²]
with v= n-2 degrees of freedom.
Consequently
P [ - t α/2< b - β/Sb < t α/2] = 1- α
or
P [ b- t α/2 Sb< β < b+ t α/2 Sb] = 1- α
Hence a 100( 1-α) percent confidence for β the population regression coefficient for a particular sample size n <30 is given by
b± t α/2 Sb
Using the same statistic a confidence interval for α can be constructed in the same way for β replacing a with b and Sa with Sb.
a± t α/2 Sa
Using the t statistic we may construct the confidence interval for U.y.x for the given value X0 in the same manner
Y~0 ± t α/2(n-2) SY~
Y~0= a+b X0
Answer:
The graph
has a greater slope than the graph of
.
Step-by-step explanation:
![x = 5(y - 4)\\\frac{x}{-5y} = \frac{5y}{-5y} - 20\\\frac{x}{-x} - 5y = \frac{-20}{-x}\\\frac{-5y}{-5} = \frac{-1x}{-5} \frac{-20}{-5}\\y = \frac{1}{5}x + 4](https://tex.z-dn.net/?f=x%20%3D%205%28y%20-%204%29%5C%5C%5Cfrac%7Bx%7D%7B-5y%7D%20%20%3D%20%5Cfrac%7B5y%7D%7B-5y%7D%20%20-%2020%5C%5C%5Cfrac%7Bx%7D%7B-x%7D%20%20-%205y%20%3D%20%5Cfrac%7B-20%7D%7B-x%7D%5C%5C%5Cfrac%7B-5y%7D%7B-5%7D%20%3D%20%5Cfrac%7B-1x%7D%7B-5%7D%20%20%5Cfrac%7B-20%7D%7B-5%7D%5C%5Cy%20%3D%20%5Cfrac%7B1%7D%7B5%7Dx%20%2B%204)