Statistics

Review of Visual Representation of Data

Warm-up

1) What percentage of women have a pulse rate below 94.5 bpm?

2) How many women have a pulse rate above 84.5 bpm

Agenda

Warm-up Homework Review Lesson-

Shapes of Distributions Review

Summary Homework

Shape of the DataShape of the Data

SymmetricSymmetric bell shapedbell shaped other symmetric shapesother symmetric shapes

AsymmetricAsymmetric right skewedright skewed left skewedleft skewed

Unimodal, bimodalUnimodal, bimodal

Symmetric Bell-ShapedSymmetric Bell-Shaped

Symmetric Mound-ShapedSymmetric Mound-Shaped

Symmetric UniformSymmetric Uniform

Asymmetric Skewed to the LeftAsymmetric Skewed to the Left

Asymmetric Skewed to the Asymmetric Skewed to the RightRight

OutliersOutliers

Extreme values that fall outside the overall Extreme values that fall outside the overall patternpattern May occur naturallyMay occur naturally May occur due to error in recordingMay occur due to error in recording May occur due to error in measuringMay occur due to error in measuring Observational unit may be fundamentally Observational unit may be fundamentally

differentdifferent

Find the class width:

A. 3

B. 4

C. 5

D. 19

Class Frequency, f

1 – 5 21

6 – 10 16

11 – 15 28

16 – 20 13

Find the class width:

A. 3

B. 4

C. 5

D. 19

Class Frequency, f

1 – 5 21

6 – 10 16

11 – 15 28

16 – 20 13

Estimate the frequency of the class with the greatest frequency.

A. 28

B. 21

C. 58

D. 53

Estimate the frequency of the class with the greatest frequency.

A. 28

B. 21

C. 58

D. 53

What is the maximum data entry?

A. 96

B. 38

C. 9

D. 41

3 8 94 0 2 7 5 1 1 4 86 3 3 3 8 9 9 7 0 0 1 1 2 4 7 8 8 8 8 98 2 2 3 4 7 7 8 9 99 1 1 4 5 6

Key: 3 | 8 = 38

What is the maximum data entry?

A. 96

B. 38

C. 9

D. 41

3 8 94 0 2 7 5 1 1 4 86 3 3 3 8 9 9 7 0 0 1 1 2 4 7 8 8 8 8 98 2 2 3 4 7 7 8 9 99 1 1 4 5 6

Key: 3 | 8 = 38

Identify the type of graph shown.

A. Bar Graph

B. Pie Chart

C. Pareto Chart

Identify the type of graph shown.

A. Bar Graph

B. Pie Chart

C. Pareto Chart

What percentage of college students get their information from television?

A. 181%

B. 32.9%

C. 45.3%

D. 60.3%

What percentage of college students get their information from television?

A. 181%

B. 32.9%

C. 45.3%

D. 60.3%

Which class has the highest frequency?

A. 53

B. 58

C. 18 – 22

D. 18 – 23 18 23 28 33 38 43 48 53 58

Which class has the highest frequency?

A. 53

B. 58

C. 18 – 22

D. 18 – 23 18 23 28 33 38 43 48 53 58

True or false: The distribution is skewed right.

A. True

B. False

18 23 28 33 38 43 48 53 58

True or false: The distribution is skewed right.

A. True

B. False

18 23 28 33 38 43 48 53 58

What is the minimum data entry?

A. 96

B. 38

C. 79

D. 56

3 8 94 0 2 7 5 1 1 4 86 3 3 3 8 9 9 7 0 0 1 1 2 4 7 8 8 8 8 98 2 2 3 4 7 7 8 9 99 1 1 4 5 6

Key: 3 | 8 = 38

What is the minimum data entry?

A. 96

B. 38

C. 79

D. 56

3 8 94 0 2 7 5 1 1 4 86 3 3 3 8 9 9 7 0 0 1 1 2 4 7 8 8 8 8 98 2 2 3 4 7 7 8 9 99 1 1 4 5 6

Key: 3 | 8 = 38

What percentage of students had a grade of 70 or above?

A. 37%

B. 63%

C. 69%

D. 32%

50 60 70 80 90 100

What percentage of students had a grade of 70 or above?

A. 37%

B. 63%

C. 69%

D. 32%

50 60 70 80 90 100

Summary Types of Visual Representation

Tables – Frequency Quantitative Data

Histograms Frequency Polygons Ogives Stem and Leaf Plots Scatter Plots

Qualitative Data Pie Charts Pareto Charts Time Series

Homework

Study for test