Answer: -2y < -20
Step-by-step explanation:
Answer:
columbia- 1
vene-2
brazil- 3
peru- 4
Step-by-step explanation:
Slope = (5+3)/(-6+3) = 8/-3 = -8/3
y = mx + b
b = y - mx
b = -3 - (-8/3)(-3)
b = -3 - 8
b = -11
equation
y = -8/3(x) - 11
Answer:
Step-by-step explanation:
The confidence interval for population mean is given by :-
Given :
n=23, which is a small sample(n<30), so we use t-test.
Significance level:
Critical value :
Then , the confidence interval for population mean will be :-
Hence, the 95% confidence interval for the population mean is