Motivating Questions.docx - Motivating Questions Variate 4:...

Motivating Questions
Variate 4: What ethnic group or groups do you belong to?
(a) What proportion of the target population identify Maori as one of their ethnic groups?
(b) What is the probability that in a group of 25 students randomly chosen from the target population
that there are at least five students who identify as Maori?
Variate 18: What is your favourite learning area?
(a) What is the modal favourite learning area in the target population?
(b) Is the distribution of favourite learning areas similar for both genders in the target population?
(c) For what proportion of the female target population is Mathematics/Statistics the favourite
learning areas?
(d) For what proportion of the male students in the target population is Technology the favourite
learning areas?
Variate 25: How long can you stand on your left leg with your eyes closed?
(a) What is the mean time for standing on one leg for students in the target population?
(b) What is the median time for standing on one leg for students in the target population?
(c) Is the Exponential model a reasonable model for modeling the distribution of times standing on
one leg in the target population?
Variate 27e: Total number of social media accounts with a `yes' answer.
(a) What is the mean number of social media accounts that students in the target population have?