# IBDP Math analysis and approaches SL: IB Style Questions with Solution Paper – 1

### Â New IBDPÂ  Mathematics: Analysis and Approaches SL- Syllabus

SL

• Time: 45 minutes (30Â marks)
• 30 multiple – choice questions (core)
• No marks deducted from incorrect answers
• NO CALCULATOR ALLOWED
• Data booklet provided
• 20% weight

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### Topic 4 : Statistics and probability-SL content

• Topic: SLÂ  4.1
• Topic: SLÂ  4.2
• Topic: SLÂ  4.3
• Topic: SLÂ  4.4
• Linear correlation of bivariate data. Pearsonâ€™s product-moment correlation coefficient, r.
• Scatter diagrams; lines of best fit, by eye, passing through the mean point.
• Equation of the regression line of y on x.
• Use of the equation of the regression line for prediction purposes.
• Interpret the meaning of the parameters, a and b, in a linear regression y = ax + b.
• Topic: SLÂ  4.5
• Topic: SLÂ  4.6
• Topic: SLÂ  4.7
• Topic: SLÂ  4.8
• Binomial distribution. Mean and variance of the binomial distribution.
• Topic: SLÂ  4.9
• Topic: SLÂ  4.10
• Equation of the regression line of x on y.
• Use of the equation for prediction purposes.
• Topic: SLÂ  4.11
• Formal definition and use of the formulae:
• $$P\left( {\left. A \right|P} \right) = \frac{{P\left( {A\mathop \cap \nolimits B} \right)}}{{P\left( B \right)}}$$.
• $$P\left( {\left. A \right|B} \right) = P\left( A \right) = P\left( {\left. A \right|B’} \right)$$ .
• Topic: SLÂ  4.12
• Standardization of normal variables (z- values).
• Inverse normal calculations where mean and standard deviation are unknown.