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Multivariate statistics questions

Quiz by Crystelle Jones

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6 questions
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  • Q1
    What would a suitable comparative question be from this multivariate data about working New Zealanders: (1) If flu-vaccinated; (2) number of days off work sick in a year; (3) if exercises 30 mins per day; (4) income:
    I wonder what the median number of days off sick is for NZ workers?
    I wonder if New Zealand workers who have had the flu vaccination have few days off sick than those who haven't had the flu jab?
    30s
  • Q2
    What would a suitable comparative question be from this multivariate data about cats: (1) Breed (2) Weight (3) Colour (4) Height of ears
    I wonder if black cats prefer mice to catfood.
    I wonder what the interquartile range of the Height of cats' ears is.
    I wonder if Siamese cats are lighter than other breeds.
    30s
  • Q3
    What are the two variables in the question: "Do people who have chicken pox as a child turn out shorter than those who don't?
    1. Had chicken pox or not 2. Height
    1. Gender. 2. Height
    1. Type of pet. 2. Weight.
    30s
  • Q4
    What is the category being compared in the following study: "Do males earn more than females in the banking industry in New Zealand?"
    Type of job
    Salary
    Gender
    30s
  • Q5
    What is the population being investigated in this question: "Did NZ students at single sex schools tend to earn more NCEA credits than students at co-ed schools in 2016?
    Current New Zealand students or recent school leavers.
    People who go to co-ed schools
    All the people in the world.
    Boys
    30s
  • Q6
    What would be the best way to pick a sample to investigate the health of teenage girls using students at Girls' High only?
    Call a meeting for volunteers to be in the survey.
    Pick the same number of students from all year levels at random from the roll.
    Survey an entire Year 11 class.
    Ask 10 friends.
    30s

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