GCSE Statistics Key Vocabulary (FULL)
2025/2026 Exam Questions with 100%
Correct Answers | Latest Update
Binomial Distribution - 🧠 ANSWER ✔✔Probability of obtaining a specific
number of successes out of a given number of trials.
Bivariate Data - 🧠 ANSWER ✔✔Data sets with two variables.
Categorical Data - 🧠 ANSWER ✔✔Data that has already been put in to
categories or classified in some way.
Causality - 🧠 ANSWER ✔✔The relationship between an event and a
second event.
Census - 🧠 ANSWER ✔✔Every member of the population is included in the
investigation.
Choropleth Map - 🧠 ANSWER ✔✔Map or diagram where different areas
have different shading to represent distribution.
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STATEMENT. ALL RIGHTS RESERVED
, Class Width - 🧠 ANSWER ✔✔The difference between the upper and lower
values of a group.
Closed Question - 🧠 ANSWER ✔✔A question with a specific answer that
can be chosen from a list.
Cluster Sampling - 🧠 ANSWER ✔✔You include in your investigation one (or
more) of the exisiting groups within a population.
Comparative Pie Chart - 🧠 ANSWER ✔✔Two or more pie charts used to
compare sets of data. The total area of each pie chart is in proportion to the
total frequency.
Continuous Data - 🧠 ANSWER ✔✔Data that can take any value (depending
on your degree of accuracy). E.g. time, weight, length
Control Group - 🧠 ANSWER ✔✔A comparison group in an experiment
which has been matched as closely as possible with the experimental
group (e.g. similar age etc)
Convenience Sampling - 🧠 ANSWER ✔✔You choose the easiest data to
access / easiest people to select without need to number or order a sample
frame.
COPYRIGHT©NINJANERD 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
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STATEMENT. ALL RIGHTS RESERVED
2025/2026 Exam Questions with 100%
Correct Answers | Latest Update
Binomial Distribution - 🧠 ANSWER ✔✔Probability of obtaining a specific
number of successes out of a given number of trials.
Bivariate Data - 🧠 ANSWER ✔✔Data sets with two variables.
Categorical Data - 🧠 ANSWER ✔✔Data that has already been put in to
categories or classified in some way.
Causality - 🧠 ANSWER ✔✔The relationship between an event and a
second event.
Census - 🧠 ANSWER ✔✔Every member of the population is included in the
investigation.
Choropleth Map - 🧠 ANSWER ✔✔Map or diagram where different areas
have different shading to represent distribution.
COPYRIGHT©NINJANERD 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
1
STATEMENT. ALL RIGHTS RESERVED
, Class Width - 🧠 ANSWER ✔✔The difference between the upper and lower
values of a group.
Closed Question - 🧠 ANSWER ✔✔A question with a specific answer that
can be chosen from a list.
Cluster Sampling - 🧠 ANSWER ✔✔You include in your investigation one (or
more) of the exisiting groups within a population.
Comparative Pie Chart - 🧠 ANSWER ✔✔Two or more pie charts used to
compare sets of data. The total area of each pie chart is in proportion to the
total frequency.
Continuous Data - 🧠 ANSWER ✔✔Data that can take any value (depending
on your degree of accuracy). E.g. time, weight, length
Control Group - 🧠 ANSWER ✔✔A comparison group in an experiment
which has been matched as closely as possible with the experimental
group (e.g. similar age etc)
Convenience Sampling - 🧠 ANSWER ✔✔You choose the easiest data to
access / easiest people to select without need to number or order a sample
frame.
COPYRIGHT©NINJANERD 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
2
STATEMENT. ALL RIGHTS RESERVED
