Suppose that you wish to obtain a confidence interval for a population mean. Under the conditions described below, should you use ther-interval procedure, the t-interval procedure, or neither?

- The population standard deviation is unknown.

- The population is normally distributed.

- The sample size is small.

A. z-interval procedure

B. Neither

C. t-interval procedure

I’m pretty sure it’s A interval procedure

The academic affairs council is the highest expert body processing academic affairs, as stipulated by the university statutes. specialist aaro häkkinen (educational policy) took part in the council’s meeting. the agenda of the meeting included bachelors’ feedback, the timing of pedagogical studies, the grant system for tuition fees, the standardisation of administrative practices for internships and the situation of foreign-language and multilingual master’s programmes.

It says in the questions that it is 6.5?