Statistics Flashcards
(8 cards)
1
Q
Types of stats graphs
A
- Dot plots
- Stem and Leaf Plots
- Column Graphs or Bar Graphs
- Frequency Tables
- Histograms
2
Q
What makes GOOD/BAD sample?
A
- sample size
- do they share characteristics that are been investigating
- is sample size more likely to sway data
3
Q
Types of Data
A
- Categorical nominal (no order words) e.g colours
- Categorical ordinal (order words) e.g excellent, very good, good
- Numerical discrete (countable/limited numbers) e.g siblings
- Numerical continuous (measurable/any numbers) e.g high jump height
4
Q
symmetrical
A
mean similar to mode (median in middle of x axis)
5
Q
positively skewed
A
mean > median (median left of x axis)
6
Q
negatively skewed
A
mean < median (median right of x axis)
7
Q
5 Figure Summary on CAS
A
8
Q
5 Figure Summary
A
