Perplex
Dashboard
Topics
Exponents & LogarithmsApproximations & ErrorSequences & SeriesCounting & BinomialsProof and Reasoning
Cartesian plane & linesQuadraticsFunction TheoryTransformations & asymptotes
2D & 3D GeometryTrig equations & identities
ProbabilityDescriptive StatisticsBivariate StatisticsDistributions & Random Variables
DifferentiationIntegration
Review VideosFormula BookletMy Progress
BlogLanding Page
Sign UpLogin
Perplex
Perplex
Dashboard
Topics
Exponents & LogarithmsApproximations & ErrorSequences & SeriesCounting & BinomialsProof and Reasoning
Cartesian plane & linesQuadraticsFunction TheoryTransformations & asymptotes
2D & 3D GeometryTrig equations & identities
ProbabilityDescriptive StatisticsBivariate StatisticsDistributions & Random Variables
DifferentiationIntegration
Review VideosFormula BookletMy Progress
BlogLanding Page
Sign UpLogin
Perplex
IB Math AASL
/
Descriptive Statistics
/
Video
Edit

Video Review

Watch comprehensive review videos for most units, designed for final exam preparation. Each video includes integrated problems you can solve alongside detailed solutions.

Not your average video:

Interactive Problems: Solve problems alongside the video with step-by-step guidance and detailed solutions.

Exam Preparation: Complete unit reviews designed for final exam preparation with all key concepts covered systematically.

Expert Teaching: High-quality instruction from Perplex co-founder James Mullen with clear explanations, worked examples, and exam tips.

Not your average video:

Interactive Problems: Solve problems alongside the video with step-by-step guidance and detailed solutions.

Exam Preparation: Complete unit reviews designed for final exam preparation with all key concepts covered systematically.

Expert Teaching: High-quality instruction from Perplex co-founder James Mullen with clear explanations, worked examples, and exam tips.

IB Math AASL
/
Descriptive Statistics
/
Video
Edit

Video Review

Watch comprehensive review videos for most units, designed for final exam preparation. Each video includes integrated problems you can solve alongside detailed solutions.

Not your average video:

Interactive Problems: Solve problems alongside the video with step-by-step guidance and detailed solutions.

Exam Preparation: Complete unit reviews designed for final exam preparation with all key concepts covered systematically.

Expert Teaching: High-quality instruction from Perplex co-founder James Mullen with clear explanations, worked examples, and exam tips.

Not your average video:

Interactive Problems: Solve problems alongside the video with step-by-step guidance and detailed solutions.

Exam Preparation: Complete unit reviews designed for final exam preparation with all key concepts covered systematically.

Expert Teaching: High-quality instruction from Perplex co-founder James Mullen with clear explanations, worked examples, and exam tips.

Descriptive Statistics

Video Review

Timeline

DATA & SAMPLES

Population

00:40

Types of Variables

02:36

Sampling Error

04:50

Measurement Error

08:02

Coverage Error

08:50

Non-response error

10:22

Exercise

12:55

Random sampling

13:38

Convenience sampling

15:02

Systematic sampling

15:49

Stratified random sampling

17:04

Quota sampling

18:35

Exercise

19:10

MEASURES

Mean

19:35

Exercise

20:40

Mode

21:00

Exercise

21:25

Median

21:46

Exercise

23:17

Variance & SD on Calculator (Sx vs σ)

23:40

Exercise

29:08

Exercise

30:20

Constant changes to data

32:30

Exercise

36:33

Problem

38:19

VISUALS

Quartiles

40:24

Interquartile Range & Outliers

42:59

Box & Whisker Plots

45:07

Exercise

46:29

Problem

48:04

Discrete Frequency Tables

55:08

Grouped Frequency Tables

58:48

Exercise

1:00:39

Histograms

1:02:20

Exercise

1:03:15

Problem

1:03:45

Cumulative frequency graphs and tables

1:08:22

Median, quartiles & percentiles on CF Graphs

1:11:04

Exercise

1:12:17

Problem

1:13:57

REGRESSION

Regression line y on x

1:20:31

Pearson's Product-Moment Correlation Coefficient

1:23:27

Predicting y from x

1:26:30

Danger of extrapolation

1:27:02

Exercise

1:28:37

Limitations of predicting x from y

1:29:47

Exercise

1:30:52

Problem

1:31:56

Problem

1:37:06

Plotting approximate best fit line

1:40:28

Exercise

1:41:03

Regression line x on y

1:42:04

Exercise

1:44:11

Finding variance by hand

1:45:57

Data & SamplesMeasuresVisualsRegression

The video will automatically pause when it reaches a problem.

Data & SamplesMeasuresVisualsRegression

Descriptive Statistics

Video Review

Timeline

DATA & SAMPLES

Population

00:40

Types of Variables

02:36

Sampling Error

04:50

Measurement Error

08:02

Coverage Error

08:50

Non-response error

10:22

Exercise

12:55

Random sampling

13:38

Convenience sampling

15:02

Systematic sampling

15:49

Stratified random sampling

17:04

Quota sampling

18:35

Exercise

19:10

MEASURES

Mean

19:35

Exercise

20:40

Mode

21:00

Exercise

21:25

Median

21:46

Exercise

23:17

Variance & SD on Calculator (Sx vs σ)

23:40

Exercise

29:08

Exercise

30:20

Constant changes to data

32:30

Exercise

36:33

Problem

38:19

VISUALS

Quartiles

40:24

Interquartile Range & Outliers

42:59

Box & Whisker Plots

45:07

Exercise

46:29

Problem

48:04

Discrete Frequency Tables

55:08

Grouped Frequency Tables

58:48

Exercise

1:00:39

Histograms

1:02:20

Exercise

1:03:15

Problem

1:03:45

Cumulative frequency graphs and tables

1:08:22

Median, quartiles & percentiles on CF Graphs

1:11:04

Exercise

1:12:17

Problem

1:13:57

REGRESSION

Regression line y on x

1:20:31

Pearson's Product-Moment Correlation Coefficient

1:23:27

Predicting y from x

1:26:30

Danger of extrapolation

1:27:02

Exercise

1:28:37

Limitations of predicting x from y

1:29:47

Exercise

1:30:52

Problem

1:31:56

Problem

1:37:06

Plotting approximate best fit line

1:40:28

Exercise

1:41:03

Regression line x on y

1:42:04

Exercise

1:44:11

Finding variance by hand

1:45:57

Data & SamplesMeasuresVisualsRegression

The video will automatically pause when it reaches a problem.

Data & SamplesMeasuresVisualsRegression