Statistics Key Terms

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V D H C F A L X S J I U B K G Y P G K W H
E N R H J Y P Y G C P D I G P C G Q N B U
L E D R P B J G Y A O Y N S P N N P O N Q
P G R O M J J H G U S M T T E E I B I W Y
M A S O Y P N N K S I X E A W U L R T N R
A T Q H M E E A T A T E R N K Q P K A H T
S I V T O I G Y D L I R Q D V E M X I J N
D V U V E T A P F R V Q U A P R A N R W W
E E D S B L T X U E E H A R U F S M A J G
I C J M T A I I J L C X R D L E C Q V Q K
F O K V R L V K T A O U T D C V I C L L D
I R U H L C E X T T R P I E G I T F A L R
T R N W E P S V W I R G L V D T A I N T K
A E F L X K K B S O E V E I O A M C O N L
R L I V Q U E T U N L N R A X L E T S P A
T A H H M E W P N S A U A T X U T X A X A
S T I S R V N X L H T V N I Y M S P E O Q
I I N Y Y L E K O I I V G O I U Y G S X I
V O H O R M S S U P O U E N I C S A Y U B
F N O F S F S Q L F N F T V F D F X A Q X
O U E U A N A A K N X Q K C F A O P C Q S

Clues

  • A measure of the dispersion of a set of data from its mean. The more spread apart the data, the higher the deviation. It is calculated as the square root of the variance. (8, 9)
  • A pattern that repeats. It is calculated by the actual value - the trend value. (8, 9)
  • A running total of frequencies (10, 9)
  • A type of sampling where the population is split into strata that have something in common. A random sample is taken from each stratum, in proportion to the size of each statum. (10, 6)
  • From the sampling frame, a starting point is chosen at random. Items are then chosen at regular intervals. (10, 8)
  • The upper quartile - the lower quartile. Sometimes shortened to 'IQR' (13, 5)
  • When a change in one variable directly causes a change in another variable. (6, 12)
  • When one variable decreases as the other increases. (8, 11)
  • When one variable increases as the other decreases. (8, 11)
  • Where data is more concentrated towards the left hand side of a graph. The median is closer to the lower quartile. (8, 8)

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