Fill in the blank
________ data involves two variables and aims to explore how changes in one variable may be related to changes in the other.
What is Bivariate?
The horizontal axis.
What is the x axis?
Number of legs a spider has.
What is 8?
An experiment is conducted to study the effect of different study methods on students' test scores. One group of students uses flashcards, while another group uses summarisation techniques.
What is the explanatory variable? (changeable/can control)
Study Methods
_______ data involves a single variable and focuses on analysing the distribution and characteristics of that variable alone.
What is Univariate?
Coordinates are given in this format.
What is (x,y)?
Half of the square root of 64.
What is 4?
A researcher is investigating how the amount of water given to plants affects plant growth. The researcher waters three groups of plants with different amounts of water daily. What is the response variable?
Plant growth
Bivariate data refers to a set of data that involves two __________, where each observation corresponds to a pair of values.
What are Variables?
The three ways to describe an association.
What are form, direction, strength?
10% of 120
What is 12?
A scientist is examining the relationship between the time spent exercising and changes in 100m run time. Participants are divided into groups that follow different exercise routines for a month. What is the response variable?
Changes in 100m run time
Understanding relationships between variables allows us to make _________
What are predictions?
The correlation shows as x increases, y increases
What is Positive correlation?
A quadrilateral with one pair of parallel sides only.
What is a trapezium?
A study is conducted to analyse the impact of different doses of a pain reliever on the duration of headache relief. Participants are randomly assigned to receive one of three doses of the pain reliever. What is the response variable?
Duration of headache relief
Another name for the r-value.
What is Pearson's correlation co-efficient?
The measurement that attempts to explain how much of the response variable is caused/explained by the explanatory variable.
What is R2?
Pythagorean theorem
What is a2+b2=c2?
An experiment aims to explore the connection between the number of hours of sleep and reaction times in a driving simulation. Participants are asked to sleep for different durations before taking the simulation test. What is the explanatory variable?
Number of hours of sleep