Ages 13–14🧮 Mathematics36 verified questions on this shelf

Scatter Graphs

Plot bivariate data on a scatter graph with correctly labelled axes and appropriate scales; describe the correlation (positive, negative, none) and draw an estimated line of best fit where appropriate

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Question 1 of 3

The table shows the number of books read by a group of students in one month. Value (books) : 2 4 6 8 Frequency : 3 5 2 4 What is the mean number of books read by the students?

Question 2 of 3

The table shows how many books each student in a class read in a month. Number of books | Number of students 0 | 3 1 | 5 2 | 8 3 | 4 4 | 2 What is the median number of books read by the students?

Question 3 of 3

A fair coin is tossed four times. What is the probability of obtaining exactly two heads?

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What a child can do after this Skill

Plot 10 data points on a scatter graph with correct axis labels and a consistent scale
Draw a line of best fit by eye, ensuring roughly equal numbers of points above and below
Use the line of best fit to estimate a y-value for a given x-value within the data range

Curriculum standards this Skill teaches

CCSS.Math.Content.8.SP.1 — Construct and interpret scatter plots for bivariate data
ICSE.Class8.Math.LinearEquationsOneVariable — Linear equations in one variable: solving and applications
CCSS.Math.Content.8.SP.2 — Know that straight lines are widely used to model relationships between two…
KS3.Maths.Stat.3 — Bivariate Data and Scatter Graphs
CBSE.math.11.StatisticsandProbability — Statistics And Probability
NCERT.Class8.Math.LinearEquationsOneVariable — Linear equations in one variable
ICSE.math.10.Statistics — Statistics
ICSE.math.9.Statistics — Statistics
NCERT.Class8.Math.RationalNumbers — Rational numbers: properties and representation

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