Exam (elaborations)
Multivariate Data (NCEA L1) – Q’s And A’s
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Multivariate Data (NCEA L1) – Q’s And A’s
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Multivariate Data (NCEA L1) – Q’s And A’sA group of individuals that we are interested in investigating.
EXAMPLES: people attending Waikato University; dogs living in Christchurch.
✔️Ans - Population
A subset of a group (we will consider two subgroups that are subdivisions of
the population of interest).
EXAMPLES: 1. Two subgroups of people attending Waikato University could
be first-year students and second-year students. 2. Two subgroups of dogs
living in Christchurch could be those who sleep indoors and those who live
outdoors. ✔️Ans - Subgroup
A variable (such as age, test score, height or weight) that can take on a wide or
infinite number of values. ✔️Ans - Continuous numerical variable
The middle data-value in a distribution when data are in order; half the scores
are above it and half are below it. Show us which sample tends to have the
highest data-values. ✔️Ans - Median
1. Problem/Purpose/Plan
2. Data
3. Analysis - Graphs
4. Analysis - Written Interpretation
5. Conclusion ✔️Ans - Sections of a report in statistics
The section that includes a statistical question, reasons for asking that
question and a hypothesis. ✔️Ans - The Problem/Purpose
A question that guides the statistical investigation. Your aim, when carrying
out a statistical investigation, is to answer a statistical question.
(YOU MUST POSE A QUESTION!!!!) ✔️Ans - Statistical question
What you think the answer to the statistical question will be, with a
justification (reasons for why you think this). Begins with "I expect that..."
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