CfE Maths Hub

Question 1

Which statement is safest when a sample result supports a claim?

interpretation

There is evidence to suggest the claimEvery individual follows the patternThe claim is proved foreverThe sample has no uncertainty

Question 2

Which graph is best for showing the relationship between two numerical variables?

correlation

Pie chartScatter graphStacked bar chartPictogram

Question 3

Find the IQR if Q1 = 18 and Q3 = 31.

spread

Your answer

Question 4

At a 5% significance level, p = 0.08 means:

p-values

The sample size is zeroThe claim is definitely falseReject the null hypothesisDo not reject the null hypothesis

Question 5

Which test is most suitable for before-and-after measurements from the same pupils?

choosing a test

Paired t-testVenn diagramTwo-proportion z-testUnrelated bar chart only

Question 6

For mixed revision, what makes an answer stronger in Higher Applications?

interpretation

A conclusion saying 'proved'A result explained in contextA calculation with no wordsIgnoring the data source

Question 7

How do you find a complete route probability on a tree diagram?

tree diagrams

Multiply along the routeDraw a regression lineAdd every branch on the pageUse the median

Question 8

Which statement about correlation is correct?

correlation

Correlation always proves causationCorrelation does not prove causationCorrelation is the same as medianCorrelation only uses categories

Question 9

An estimate is 64 with margin of error 6. Give the confidence interval.

confidence intervals

Your answer

Question 10

Which test compares two sample proportions?

choosing a test

z-test for two proportionspaired t-testhistogrambox plot only

Question 11

What should a histogram bar area represent?

histograms

Median onlyFrequencyp-valueCorrelation

Question 12

Which is the best first step when drawing a Venn diagram with an overlap?

Venn diagrams

Calculate standard deviation firstIgnore the overlapFill the overlap firstDraw a trendline

Statistics and Probability mixed revision quiz

Check your understanding