What is an equation of the line that passes through the points (−6,−5) and (−2,3)?
2 answers:
You might be interested in
Answer:
a) (76.21,83.79)
b) (77.32,82.68)
c) Interval decreases
Step-by-step explanation:
We are given the following information in the question:
Sample size, n = 60
Sample mean = 80
Sample standard Deviation, s = 15
a) 95% Confidence interval:
Putting the values, we get,
b) Sample size, n = 120
95% Confidence interval:
c) As observed increasing the sample size, the confidence interval become smaller.