Answer: 
Step-by-step explanation:
The confidence interval for population standard deviation is given by :-

Given : Significance level : 
Sample size : n= 51
Sample standard deviation : s=0.36
Then by using the chi-square distribution table, we have


Confidence interval for population standard deviation will be :-

Answer:

Step-by-step explanation:
the given equation is

from the multiplication rules we know that

so for the given equation changing the sidn of division to multiplication
the equation becomes

a cancels out from both numerator and denominator
so it becomes

which is the answer
Answer:
Negative Slope.
-7/5
Step-by-step explanation:
Decreasing from left to right.
x = 3- -2 = 5
y = -2 - 5 = -7
y = -7/5x + 11/5
Answer:
√
17 , 4.23 , 9/2
Step-by-step explanation:
√
17 = 4.12310562
... (about 4.1)
9/2 = 4.5
Answer:
answer is A. cosine
Step-by-step explanation: