A team of researchers conduct a singlesample t test and find

A team of researchers conduct a single-sample t test and find that the 95% confidence interval around their sample mean includes the value of the population mean. Based on this, they should conclude that:

A) their data are insufficient to assess the validity of the null hypothesis.

B) the research hypothesis is supported

C) the null hypothesis should be rejected

D) they failed to find a significant difference between the sample and population means.

Solution

D) they failed to find a significance differecne between the sample and population mean....