6945_S1_Edexcel_January_2011_Q2

1.1   6942_How_to_find_the_Mean_in_Statistics_as_a_measure_of_central_location

1.2   6943_Calculating_the_Mean_from_frequency_tables

1.3   6944_Casio_fx_calculators_Mean_from_Grouped_Frequency_Tables

1.5   6946_Median_Quartiles_and

1.6   6947_Median_and_Quartiles_Edexcel_S1_January_2008_Q2b

1.7   6948_Cumulative_Frequency_Curves_What_do_they_mean_and_how_to_draw_them

1.8   6949_Class_intervals_in_grouped_frequency_tables_common_misconceptions

1.9   6950_Estimating_median_quartiles_percentiles_from_a_grouped_frequency_table

1.10   6951_Estimating_a_Median_by_Linear_Interpolation_Edexcel_S1_Statistics_June_2014_Q6(b)

1.11   6952_Estimating_a_Median_by_Linear_Interpolation_Edexcel_S1_June_2013_Q4(b)

1.12   6953_Estimating_a_Quartile_by_Linear_Interpolation_Edexcel_S1_June_2013_Q4(c)(d)

1.13   6954_Estimating_a_Median_by_Linear_Interpolation_Edexcel_S1_January_2013_Q5(b)

1.14   6955_Estimating_a_Median_by_Linear_Interpolation_Edexcel_S1_January_2011_Q5a

1.15   6956_Estimating_a_Median_by_Linear_Interpolation_Edexcel_S1_January_2010_Q3(d)

1.16   6957_Median_in_a_histogram_Edexcel_S1_June_2012_Q5(c)

2.1   6973_Stem_and_leaf_diagrams

2.2   6974_Box_and_Whisker_Plots_Skewness_and_Outliers

2.3   6975_Histograms

2.4   6976_Histograms_How_to_find_the_width_and_height_of_a_class_interval

2.5   6977_Box_Plot_outliers_S1_Edexcel_January_2011_Q3a

2.6   6978_S1_Edexcel_January_2011_Q3b_c

2.7   6979_Edexcel_S1_Statistics_June_2014_Q1_a

2.8   6980_Edexcel_S1_Statistics_June_2014_Q1_b

2.9   6981_Edexcel_S1_Statistics_June_2014_Q1_c

2.10   6982_Quartiles_Stem_leaf_diagram_S1_Edexcel_January_2010_Q2_a_b

2.11   6983_Outliers_Box_Plots_S1_Edexcel_January_2010_Q2_c_d

2.12   6984_Edexcel_Statistics_S1_January_2012_Q4a_b

2.13   6985_Edexcel_Statistics_S1_January_2012_Q4c

2.14   6986_Edexcel_Statistics_S1_January_2012_Q4d

2.15   6987_Edexcel_Statistics_S1_January_2012_Q4e

2.16   6988_Box_Plot_Statistics_S1_Edexcel_June_2013_Q2_a

2.17   6989_Median_IQR_from_Stem_Leaf_Statistics_S1_Edexcel_June_2013_Q2_b

2.18   6990_Constructing_a_Box_Plot_with_Outliers_Statistics_S1_Edexcel_June_2013_Q2_c

2.19   6991_Comparing_Box_Plots_Statistics_S1_Edexcel_June_2013_Q2_d

2.20   6992_Mean_in_a_histogram_S1_Edexcel_June_2012_Q5_a_b

2.21   6993_Histogram_skewness_S1_Edexcel_June_2012_Q5_d_e

3.1   6958_Standard_Deviation_What_is_it_and_how_to_work_it_out

3.2   6959_Standard_Deviation_from_frequency_tables

3.3   6960_Edexcel_S1_Statistics_June_2014_Q6(a)

3.4   6961_Edexcel_S1_Statistics_June_2014_Q6(c)

3.5   6962_Edexcel_S1_Statistics_June_2014_Q6(d)

3.6   6963_Calculating_Mean_and_Standard_Deviation_Statistics_S1_Edexcel_June_2013_Q4(a)

3.7   6964_S1_Edexcel_June_2013_Q4(e)

3.8   6965_S1_Edexcel_June_2013_Q4(f)

3.9   6966_Histogram_S1_Edexcel_January_2013_Q5(a)

3.10   6967_Mean_and_Standard_Deviation_S1_Edexcel_January_2013_Q5(c)

3.11   6968_Skewness_S1_Edexcel_January_2013_Q5(d)

3.12   6969_Normal_distribution_S1_Edexcel_January_2013_Q5(e)(f)

3.13   6970_S1_Edexcel_January_2011_Q5b_c

3.14   6971_Mean_Standard_deviation_from_Grouped_Frequency_Table_Statistics_Edexcel_January_2010_Q3(a)(b)(c)

3.15   6972_Skewness_Statistics_S1_Edexcel_January_2010_Q3_e

4.1   6994_How_to_Draw_Tree_Diagrams

4.2   6995_Probability_Tree_Diagrams_and_Independent_Events

4.3   6996_Probability_And_Rule_multiplication_Or_Rule_mutually_exclusive_events

4.4   6997_Dependent_Events_in_Probability_Tree_Diagrams

4.5   6998_Example_to_try_on_Dependent_Events_in_Probability_Tree_Diagrams

4.6   6999_Calculating_Conditional_Probability_in_tree_diagrams

4.7   7000_Conditional_Probability_Example

4.8   7001_Edexcel_S1_Statistics_June_2014_Q4_a

4.9   7002_Edexcel_S1_Statistics_June_2014_Q4_b

4.10   7003_Edexcel_S1_Statistics_June_2014_Q4_c

4.11   7004_Edexcel_S1_Statistics_June_2014_Q4_d

4.12   7005_Probability_Tree_Diagrams_S1_Edexcel_June_2012_Q7_a

4.13   7006_Probability_Tree_Diagrams_S1_Edexcel_June_2012_Q7_b

4.14   7007_Probability_Tree_Diagrams_S1_Edexcel_June_2012_Q7_c

4.15   7008_Probability_Tree_Diagrams_S1_Edexcel_June_2012_Q7_d

4.16   7009_Probability_tree_diagram_S1_Edexcel_January_2011_Q7a

4.17   7010_Probability_Laws_S1_Edexcel_January_2011_Q7bcde

4.18   7011_Conditional_Probability_S1_Edexcel_January_2011_Q7f

4.19   7012_Probability_tree_diagrams_S1_Edexcel_January_2010_Q1

5.1   7013_Venn_Diagrams_Introduction

5.2   7014_Venn_Diagrams_Algebraic_type

5.3   7015_Venn_diagrams_3_set_problem

5.4   7016_Venn_diagrams_Tricky_3_set_problem

5.5   7017_Venn_diagrams_Notation_and_Symbols_used

5.6   7018_Venn_diagrams_Shading_Regions

5.7   7019_Probability_Venn_Diagram_Example

5.8   7020_Conditional_Probability_in_Venn_Diagrams

5.9   7021_Probability_P_AUB_and_Mutually_Exclusive_Events

5.10   7022_Edexcel_S1_Statistics_June_2014_Q8_a_b

5.11   7023_Edexcel_S1_Statistics_June_2014_Q8_c

5.12   7024_Edexcel_S1_Statistics_June_2014_Q8_d

5.13   7025_Probability_Statistics_S1_Edexcel_June_2013_Q3_a_b_c

5.14   7026_Venn_Diagrams_Statistics_S1_Edexcel_June_2013_Q3_d_e

5.15   7027_Probability_Laws_Venn_Diagram_S1_Edexcel_January_2013_Q7

5.16   7028_Mutually_Exclusive_Independent_Events_S1_Edexcel_June_2012_Q4_a_b

5.17   7029_Venn_Diagram_Probability_S1_Edexcel_June_2012_Q4_c_d_e

5.18   7030_Probability_from_Venn_Diagrams_S1_Edexcel_June_2010_Q4

5.19   7031_Venn_diagram_with_Probability_S1_Edexcel_January_2010_Q4

5.20   7032_3_Way_Venn_Diagrams_Algebraic_type

6.1   7033_Using_Two_Way_Tables_with_Probability

6.2   7034_Probability_Laws_and_Definitions_Summary

6.3   7035_Constructing_a_Probability_Distribution_Table

7.1   7036_Binomial_Distribution_Introduction

7.2   7037_Binomial_Distribution_formula_Maths_Made_Easy_with

7.3   7038_Binomial_Distribution_examples

7.4   7039_Binomial_Probabilities_on_the_Casio_fx_991EX_ClassWiz_Calculator

7.5   7040_Cumulative_Binomial_Probabilities_on_the_Casio_fx_991EX_ClassWiz_Calculator

7.6   7041_Binomial_Distribution_Cumulative_Probability_Tables

7.7   7042_Binomial_Distribution_Cumulative_Probability_Tables_2

7.8   7043_Binomial_Distribution_Mean_Variance

8.1   7044_Normal_Distribution_Introduction

8.2   7045_Normal_Distribution_Cumulative_Probability_Casio_Calculator

8.3   7046_Inverse_Normal_Distribution_function_Casio_Calculator

8.4   7047_Standard_Normal_Distribution_Z~N_0_1_Calculating_Probabilities

8.5   7048_Calculator_to_find_probabilities_for_normal_distribution_easy

8.6   7049_Normal_Distribution_Calculating_Probability_using_Tables_1_of_4

8.7   7050_Normal_Distribution_Calculating_Probability_using_Tables_2_of_4

8.8   7051_Normal_Distribution_Calculating_Probability_using_Tables_3_of_4

8.9   7052_Normal_Distribution_Calculating_Probability_using_Tables_4_of_4

8.10   7053_Normal_Distribution_Finding_the_Mean_using_tables_or_calculator_1_of_2

8.11   7054_Normal_Distribution_Finding_the_Mean_using_tables_or_calculator_2_of_2

8.12   7055_Normal_Distribution_Finding_the_Standard_Deviation_using_tables_or_calculator

8.13   7056_Normal_Distribution_Finding_the_Mean_and_Standard_Deviation

8.14   7057_Sampling_distribution_of_the_sample_means_Normal_distribution

8.15   7058_Sampling_distribution_of_the_sample_means_Normal_distribution_proof

8.16   7059_Introduction_to_Hypothesis_testing_for_Normal_distribution

8.17   7060_Hypothesis_testing_for_Normal_distribution_examples_one_tailed_and_two_tailed_test

8.18   7061_Understanding_Critical_values_Hypothesis_testing_for_Normal_Distribution

8.19   7062_Hypothesis_testing_for_Normal_Distribution_Critical_values_method_3_examples

8.20   7063_Edexcel_S1_Statistics_June_2014_Q7_a

8.21   7064_Edexcel_S1_Statistics_June_2014_Q7_b

8.22   7065_Edexcel_S1_Statistics_June_2014_Q7_c

8.23   7066_Finding_the_mean_in_a_Normal_Distribution_Statistics_S1_Edexcel_June_2013_Q6_a

8.24   7067_Normal_distribution_probability_Statistics_S1_Edexcel_June_2013_Q6_b

8.25   7068_Finding_Standard_Deviation_from_a_Normal_Distribution_S1_Edexcel_June_2013_Q6_c

8.26   7069_Normal_Distribution_S1_Edexcel_January_2013_Q4_a

8.27   7070_Normal_Distribution_S1_Edexcel_January_2013_Q4_b

8.28   7071_Edexcel_S1_Statistics_January_2013_Q4_c

8.29   7072_Normal_Distribution_S1_Edexcel_June_2012_Q6_a

8.30   7073_Normal_Distribution_S1_Edexcel_June_2012_Q6_b

8.31   7074_Normal_Distribution_Finding_a_mean_S1_Edexcel_June_2012_Q6_c

8.32   7075_Normal_distribution_S1_Edexcel_January_2011_Q8a

8.33   7076_Inverse_Normal_S1_Edexcel_January_2011_Q8b

8.34   7077_Normal_Distribution_Finding_mean_and_st._dev_S1_Edexcel_January_2011_Q8c

8.35   7078_Normal_Distribution_Statistics_Edexcel_S1_January_2010_Q7_a_b

8.36   7079_Normal_Distribution_Statistics_Edexcel_S1_January_2010_Q7_c

8.37   7080_Normal_Distribution_Statistics_Edexcel_S1_January_2010_Q7_d

8.38   7081_Correlation_What_is_it

8.39   7082_Pearson_s_Product_Moment_Correlation_Coefficient_on_the_Casio_fx_991EX_ClassWiz_Calculator

8.40   7083_Hypothesis_Testing_for_Zero_Correlation

8.41   7084_Pearson_s_Product_Moment_Correlation_Coefficient_The_formula

8.42   7085_Continuity_Corrections

8.43   7086_Normal_approx_to_the_Binomial_Distribution

9.1   7087_Hypothesis_Testing_for_the_Binomial_Distribution

9.2   7088_Hypothesis_Testing_Binomial_Distribution_proportion_Example_1

9.3   7089_Hypothesis_Testing_for_the_Binomial_Distribution_Example_2

9.4   7090_Hypothesis_testing_critical_value_method_for_a_Binomial_Distribution_example_1

9.5   7091_Hypothesis_testing_Finding_an_Upper_Critical_Value_Binomial_Distribution

9.6   7092_Hypothesis_Testing_Critical_Values_Two_Tail_Test_Binomial_Distribution

9.7   7093_S2_Edexcel_January_2013_Q6_a_b

9.8   7094_Hypothesis_testing_S2_Edexcel_January_2013_Q6_c

9.9   7095_Hypothesis_testing_Critical_Value_Method_S2_Edexcel_January_2013_Q6_c

9.10   7096_Hypothesis_testing_S2_Edexcel_January_2013_Q6_d

9.11   7097_Finding_Critical_Values_from_a_Binomial_Distribution_example

9.12   7098_Probability_of_incorrectly_rejecting_Ho_given_critical_regions_example

9.13   7099_Hypothesis_testing_Binomial_method_1_S2_Edexcel_January_2012_Q2

9.14   7100_Hypothesis_testing_Binomial_method_2_S2_Edexcel_January_2012_Q2

10.1   7101_Probability_Cumulative_Distribution_Function_F_X

10.2   7102_The_Expected_Mean_E_X

10.3   7103_E_X_for_Discrete_Random_Variables

10.4   7104_Variance_Var_X

10.5   7105_Extending_E_X_to_E_X_a_and_E_aX

10.6   7106_Extending_Var_X_to_Var_X_a_and_Var_aX

10.7   7107_Why_does_Var_a_=0_Var_X_a_=_Var_X_and_Var_aX_=_a_Var_X

11.1   7108_Poisson_Distribution_Introduction

11.2   7109_Poisson_Distribution_Probabilities_on_a_Casio_Classwiz_fx_991_es_Calculator

11.3   7110_Poisson_Distribution_Cumulative_Probabilities_on_a_Casio_Classwiz_fx_991_es_Calculator

11.4   7111_Poisson_Distribution_Changing_the_Mean

11.5   7112_Poisson_Distribution_worked_example

11.6   7113_Poisson_Distribution_Calculating_an_observed_value_from_tables

11.7   7114_Poisson_approximation_to_the_Binomial_Distribution_ExamSolutions

11.8   7115_Poisson_Approximation_to_the_Binomial_Distribution_Example_ExamSolutions_Maths_Revision

12.1   7122_How_To_do_a_Hypothesis_Test_Poisson_Distribution

12.2   7123_Hypothesis_Testing_Poisson_Distribution_Lower_tail_test

12.3   7124_Hypothesis_Testing_Poisson_Distribution_Upper_tail_test

12.4   7125_Hypothesis_Testing_Poisson_Distribution_Two_tail_test

13.1   7116_Geometric_distribution_Introduction

13.2   7117_Geometric_distribution_Probability_proof

13.3   7118_Calculating_Probabilities_from_a_Geometric_Distribution

13.4   7119_Geometric_distribution_Calculating_least_trials

13.5   7120_Geometric_distribution_The_Expected_Mean_E_X

13.6   7121_Geometric_Distribution_Proof_of_E_X

14.1   7126_Regression_Least_Squares_Method_for_y_on_x

14.2   7127_Regression_for_y_on_x_on_a_Casio_Classwiz_calculator

14.3   7128_Linear_Regression_for_y_on_x_Least_squares_method_using_Sxy_and_Sxx

14.4   7129_Regression_Explanatory_and_Response_variables_meaning_of_a_b_in_y=a_bx

14.5   7130_Regression_Reliability_of_a_prediction

14.6   7131_Spearman_s_Rank_Correlation_Coefficient

15.1   7132_Probability_Density_Functions_pdf

15.2   7133_Probability_Density_Function_p.d.f._Finding_k_Part_1

15.3   7134_Probability_Density_Function_p.d.f._Finding_k_Part_2

15.4   7135_Probability_Density_Functions_Example

15.5   7136_Cumulative_Distribution_Functions_Introduction

15.6   7137_Cumulative_Distribution_Function_Example

15.7   7138_Finding_the_Median_Quartiles_Percentiles_from_a_pdf_or_cdf

15.8   7139_Median_and_Quartiles_of_a_continuous_random_variable._Example

15.9   7140_Mode_for_a_Continuous_Random_Variable

15.10   7141_Mean_E_X_and_Variance_Var_X_for_Continuous_Random_Variables

15.11   7142_Mean_E_X_and_Variance_Var_X_for_a_Continuous_Random_Variable_Example

16.1   7143_Uniform_Rectangular_Distribution_1

16.2   7144_Uniform_Rectangular_Distribution_2_pdf_probability_quartiles_example

16.3   7145_Continuous_Uniform_Distribution_3_E_X_Var_X_F_X

16.4   7146_Uniform_Distribution_Example

16.5   7147_E_X_proof_for_Uniform_Distribution

16.6   7148_Var_X_proof_for_Uniform_Distribution