Question

WILL MEDAL
Check my answer please
I think it's b
Four research teams each used a different method to collect data on how fast a new brand of paint dries. Assume that they all agree on the sample size and the sample mean (in minutes). Use the (confidence level; confidence interval) pairs below to select the team that has the smallest sample standard deviation.
A- confidence level 95%: confidence interval: 40 to 50
B- confidence level 95 % confidence interval 35-55
C- confidence level 68% confidence interval 44.5-45.5
D- confidence level 99.7% confidence interval 42-48

Answer 1

@Michele_Laino

Answer 2

I'm very sorry, but I don't know your answer!

Answer 3

@SolomonZelman

Answer 4

@Hero

Answer 5

@Abhisar

Answer 6

@SolomonZelman

Answer 7

@wio

Answer 8

@aum

Answer 9

@iGreen @inkyvoyd