【单选题】Which one is correct bellow for the 95% confidence interval of mean?
A.
95% CI is wider than a 99% CI.
B.
95% CI will include the sample mean with a probability of 95%.
C.
95% CI will include 95% of the observations of a sample
D.
95% CI will include the population mean with a probability of 95%.
【单选题】Dose the constructed confidence interval include the population mean under the 95% confidence level?
【单选题】Which one is correct bellow for the 95% confidence interval of mean?
B.
the population mean has a probability of 95% to appear in its 95% CI
C.
95% CI will include 95% of the observations of a sample
D.
95% CI will include the population mean with a probability of 95%
【单选题】According to the text, men from the Middle East often _________.
A.
nod heads and wave hands to girls
B.
touch others’ heads when they first meet
C.
kiss each other twice on each cheek when they are introduced to others
D.
stand quite close to other men when they talk but will not touch women
【单选题】•Read the article below about Thomas Kingsley. •Choose the correct word to fill each gap, from A, B or C below. •For each question 29-40 mark one letter (A, B or C) on your Answer Sheet. Meet Thomas K...
【判断题】For a given data set, the confidence interval will be wider for 95% confidence than for 90% confidence.