Statistics 1 - The Student Room

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Scheme of Work

2010 – 2011

Statistics 1

Learning Outcomes

[Can be differentiated]

Teaching & Learning Activities

(All resources here are hyperlinked to the MEI website)

Exploring data 1: Introduction (Recap of statistics in GCSE Maths)

Be able to use a tally chart to produce a frequency table (page 4 of the textbook).

Be able to describe the shape of a distribution (e.g. symmetrical distribution, or positive or negative skew) (pages 5 and 6 of the

 textbook).

Be able to construct stem-and-leaf diagrams (pages 6 - 8 of the textbook).

Understand what is meant by categorical data (qualitative), numerical data, continuousdata and discrete data (pages 12, 13 of the textbook).

Understand sigma notation (page 13 of the textbook).

Know that the mean, mode, median and midrange are all measures of central tendency, know how to calculate them and when each should be used (pages 13 - 16 of the textbook).

Poster activities. Learners revise techniques known and present back to class

Study Plan

Notes and Examples

Crucial Points

HW and/or

Assessments

Multiple choice section test

Questions

Exploring Data 1 Section test solutions

Exploring Data 2: Frequency Distribution

Be familiar with frequency tables and able to use them to calculate the mean (pages 17 - 19 of the textbook).

Understand how data can be grouped into class intervals and how to deal with class boundaries for both continuous and discrete data (pages 22 - 24 of the textbook).

Be able to use grouped data to estimate the mean (pages 25 -

29 of the textbook).

Poster activities. Learners revise techniques known and present back to class.

HE Applications project: Learners are given data on HE applications and have to present back and interpret their findings using statistics.

Learners can use Excel or Autograph

(Teacher can demonstrate basic use of each)

Study Plan

Notes and Examples

Crucial Points

Multiple choice section test

Questions

Exploring Data 2 Section test solutions

HE data presentation. Learners will be filmed!

Exploring Data 3: Measures of Spread

Interactive Resources

Mean and SD

Know how to calculate the range of a set of data and be aware

Other resources of its limitations as a measure of spread (pages 32, 33 of the

Calculating measures of spread textbook).

Know the meaning of mean square deviation (msd) and be fluent with both methods of calculating it (pages 35, 36 of the

 textbook).

Know the meaning of root mean square deviation (rmsd) and be fluent at calculating it (pages 35, 36 of the textbook).

Know the meaning of variance, be fluent at calculating it and know how it is different from the mean square deviation

(divisor n - 1 instead of n (pages 36 - 38 of the textbook).

Know the meaning of standard deviation, be fluent at calculating it and know how it is different from the root mean square

Study Plan

Notes and Examples

Crucial Points deviation (square root of the variance, rather than square root of the msd) (pages 36 - 38 of the textbook).

Be able to calculate the mean, msd, rmsd, variance and standard deviation of combined data sets (page 39, 40).

Know that approximately 95% of data lie within two standard deviations of the mean for most data sets and that data values more than 2 standard deviations from the mean are therefore identified as outliers and should be investgated carefully to ensure they are valid (pages 40, 41 of the textbook).

Multiple choice section test

Questions

Exploring Data 3 Section test solutions

Exploring Data 4: Linear Coding

Be able to use linear coding to simplify calculations of mean and standard deviation and convert them between different units (pages 46 - 48 of the textbook).

Interactive Resources

Linear Coding

Active learning resources

Linear Coding puzzle

Linear Coding puzzle Solutions

Other resources

Study Plant

Notes and Examples

Crucial Points

Multiple choice section test

Questions

Exploring Data 4 Section test solutions

Exploring Data Chapter

Assessment

Exploring Data Chapter assessment solutions

Data presentation 1: Introduction

Be able to interpret and draw bar charts (pages 57 - 59 of the textbook).

Be able to interpret and draw vertical line charts (pages 57 - 59 of the textbook).

Know that bar charts are best used to illustrate categorical

 data (page 57 of the textbook).

Know that vertical line charts are best used to

 illustrate discrete data (page 57 of the textbook).

Know the difference between a bar chart and a histogram (page

62 of the textbook).

Know that histograms are normally used to

HE Applications project: Learners are given data on HE applications and have to present back and interpret their findings using statistics.

Learners can use Excel or Autograph

(Teacher can demonstrate further use of each)

Study Plan

Notes and Examples

Crucial Points illustrate continuous data (page 62 of the textbook).

Understand that the vertical axis of a histogram is frequency density, NOT frequency (page 64 of the textbook).

Know that histograms can be used to represented grouped data with unequal class widths (page 65 of the textbook).

Know how to calculate frequency densities (pages 63 - 64 of the textbook).

Know how to construct a histogram; (pages 62 – 69 of the textbook).

Understand that, for a histogram, the areas of the bars are proportional to the frequencies (Pages 62 – 63 of the textbook).

Know and understand the circumstances in which it is acceptable to use histograms to illustrate discrete data (pages

66 - 68 of the textbook).

Be aware of the problems with class boundaries when using histograms to illustrate discrete data (page 67 of the textbook).

Multiple choice section test

Questions

Section Test Solutions

Data Presentation 2: Quartiles, Box and Whisker Plots and

Cumulative Frequency Curves

HE Applications project: Learners are given data on HE applications and have to present back and interpret their findings using statistics.

Know how to calculate the upper quartile, lower quartile and the interquartile range via calculation and using a cumulative

Learners can use Excel or Autograph

 frequency curve; (pages 71 – 76).

Know how to construct a box-and-whisker diagram (boxplot);

(pages 73 and 77 of the textbook). out percentiles; (question 9 of Exercise 2D and the Notes and

(Teacher can demonstrate further use of each.

Know how to recognise outliers; (pages 73 – 74 of the textbook).

Know how to construct a cumulative frequency table from a

Other resources grouped frequency table; (pages 74 – 75 of the textbook).

Study Plan

Know how to construct and interpret a cumulative frequency

Notes and Examples curve; (pages 76 – 77 of the textbook).

Crucial Points

Know how to use a cumulative frequency diagram to work

Examples).

Multiple choice section test

Questions

Section Test Solutions

Data Presentation Chapter

Assessment

Chapter assessment solutions

Probability 1: Introduction

Interactive Resources

Venn Diagrams Spreadsheet

Understand what is meant by the complement of an event and

Active learning resources how to calculate its probability.

Venn Diagram Matching Activity

Understand and be able to calculate simple expectation. Venn Diagram Matching Activity

Understand what is meant by mutually exclusive events.

Be able to calculate the probability of either one event or

Solutions another.

Study Plan

Notes and Examples

Crucial Points

Additional Exercise

Additional Exercise Solutions

Multiple choice section test

Questions

Probability 1 Section Test

Solutions

Probability 2: Probability from two or more trials

Understand how to use tree diagrams to calculate probabilities.

Be able to use the addition law and multiplication law to

 calculate probabilities.

Study Plan

Notes and Examples

Crucial Points

Additional Exercise

Additional Exercise Solutions

Multiple choice section test

Questions

Probability 2 Section test solutions

Probability 3: Conditional probability

Active learning resources

Probability Matching Activity

Understand the concept of conditional probability; (pages 107 – 

Probability Matching Activity

109 of the textbook).

Know the formula for conditional probability P( times P( B l A ); (page 109 of the textbook).

A and B ) = P( A )

Solutions

Probability Hexagonal Jigsaw

Probability Hexagonal Jigsaw

Understand that for independent events: P( A l B ) = P( B ) so,

P( A and B ) = P( A ) times P( B ); (page 109 of the textbook). probability questions; (page 111 of the textbook).

Understand how to use Venn diagrams when solving conditional

Solutions

Other resources

Venn Diagrams Worksheet

Venn Diagrams Worksheet

Understand how to use tree diagrams in solving conditional

Solutions probability questions; (page 117 of the textbook).

Study Plan

Notes and Examples

Crucial Points

Additional Exercise

Additional Exercise Solutions

Discrete Random Variables 1: Introduction

Know what a discrete random variable (DRV) is; (Pages 119 –

120 in the textbook).

Know the notation and conditions for a DRV; (Page 120 in the

 textbook).

Be able to construct a vertical line chart showing the probabilities of the possible outcomes of a DRV; (Pages 120 – 121 in the textbook).

Study Plan

Notes and Examples

Crucial Points

Additional Exercise

Additional Exercise Solutions

Multiple choice section test

Questions

Probability 3 Section test solutions

Probability Chapter Assessment

Probability Chapter assessment solutions

Multiple choice section test

Questions

Discrete Random Variables 1

Section Test Solutions

Discrete Random Variables 2: Expectation and variance

Know what is meant by the expectation of a discrete random variable and the variance of a discrete random variable and be able to calculate these; (Pages 127 – 130 in the textbook).

Other resources

Discrete Random Variables 1

Discrete Random Variables 2

Study Plan

Notes and Examples

Crucial Points

Additional Exercise

Additional Exercise Solutions

Further Probability 1: Factorials, permutations and combinations

Know what a factorial is and how to calculate it. (Pages 139 – 

140 in the textbook).

Be able to cancel efficiently when dividing factorials. (Examples

 on page 140 of the textbook).

Know how to identify and calculate the number of permutations;

(Page 142 in the textbook).

Know how to identify and calculate the number of combinations (Pages 143 – 144 in the textbook).

Know how to calculate a binomial coefficient, and how to use

Pascal’s triangle to provide shortcuts in calculating probabilities.

(Pages 145 – 146 in the textbook).

Be able to calculate probabilities in less simple cases. (Pages

147 – 148 in the textbook).

Know that: n C r

= n C n r

and n +1 C r +1

= n C r

+ n C r +1

; (Pages 145 - 146 in the textbook).

Study Plan

Notes and Examples

Crucial Points

Additional Exercise

Additional Exercise Solutions

Multiple choice section test

Questions

Discrete Random Variables 2

Section test solutions

Discrete Random Variables

Chapter Assessment

Chapter Assessment Solution s

Multiple choice section test

Questions

Further Probability 1 Section test solutions

Further Probability Chapter

Assessment

Further Probability Chapter assessment solutions

The Binomial Distribution 1: Introduction

Know the conditions required in order for the binomial distribution to be used to calculate probabilities and be able to apply it to a general probability case; (Pages 155 – 157 in the

 textbook).

Know what a probability distribution is, and be able to calculate

 it; (Pages 155 – 156 in the textbook).

Understand that the binomial distribution is an example of a probability distribution; (Pages 155 – 156 in the textbook).

Be familiar with the notation B( n , p ) to denote a binomial distribution with n trials and probability of success p; (Page 156 in the textbook).

Know and be able to use the formula: P( X = r ) = n C r p r q n r for 0

≤ r ≤ n ; (Page 156 in the textbook).

Study Plan

Notes and Examples

Crucial Points

Additional Exercise

Additional Exercise Solutions

The Binomial Distribution 2: Using the binomial distribution

Know how to find the expectation of the binomial distribution (Page 159 in the textbook).

Be able to use the binomial distribution to work out probabilities in a given situation; (Pages 160 – 161 in the textbook).

Active learning resources

Binomial puzzle

Binomial puzzle solutions

Study Plan

Notes and Examples

Crucial Points

Additional Exercise

Additional Exercise Solutions

Multiple choice section test

Questions

Binomial Distribution 1 Section test solutions

Multiple choice section test

Questions

Binomial Distribution 2 Section test solutions

Binomial Distribution Chapter

Assessment

Binomial Distribution Chapter assessment solutions

Hypothesis testing using the binomial distribution 1: Introduction

Be able to use tables of cumulative binomial probability (page

174).

Understand the process of hypothesis testing and the associated vocabulary (page 170 - 171).

Be able to identify the null hypothesis and alternative hypothesis (H

0

and H

1

) when setting up a hypothesis test on a binomial probability model (page 170 – 171).

Be able to conduct hypothesis tests at various significance levels

(page 171).

Be able to draw a correct conclusion from the results of a hypothesis test on a binomial probability model (page 170 –

171).

Study Plan

Notes and Examples

Crucial Points

Additional Exercise

Additional Exercise Solutions

Hypothesis testing using the Binomial Distribution 2: More about hypothesis testing

Interactive Resources

Hypothesis testing

Instructions for using the

Be able to identify the critical region and acceptance region for

"Hypothesis Tester" a hypothesis test (pages 117 - 119).

Understand when to apply one-tailed tests and two-tailed tests

(pages 182 – 183).

Know how to carry out a two-tailed test (pages 182 – 184).

Study Plan

Notes and Examples

Crucial Points

Additional Exercise

Additional Exercise Solutions

Multiple choice section test

Questions

Hypothesis testing 1 Section test solutions

Hypothesis Testing 2 Section

Test Questions

Multiple choice section test solutions

Hypothesis Testing Chapter

Assessment

Hypothesis testing Chapter assessment solutions

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