Statistics Review of Visual Representation of Data.

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Presentation transcript:

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 Data Symmetric Symmetric bell shaped bell shaped other symmetric shapes other symmetric shapes Asymmetric Asymmetric right skewed right skewed left skewed left skewed Unimodal, bimodal Unimodal, bimodal

Symmetric Bell-Shaped

Symmetric Mound-Shaped

Symmetric Uniform

Asymmetric Skewed to the Left

Asymmetric Skewed to the Right

Outliers Extreme values that fall outside the overall pattern Extreme values that fall outside the overall pattern May occur naturally May occur naturally May occur due to error in recording May occur due to error in recording May occur due to error in measuring May occur due to error in measuring Observational unit may be fundamentally different Observational unit may be fundamentally different

Find the class width: A. 3 B. 4 C. 5 D. 19 ClassFrequency, f 1 – – – – 2013

Find the class width: A. 3 B. 4 C. 5 D. 19 ClassFrequency, f 1 – – – – 2013

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 Key: 3 | 8 = 38

What is the maximum data entry? A. 96 B. 38 C. 9 D 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 –

Which class has the highest frequency? A. 53 B. 58 C. 18 – 22 D. 18 –

True or false: The distribution is skewed right. A. True B. False

True or false: The distribution is skewed right. A. True B. False

What is the minimum data entry? A. 96 B. 38 C. 79 D Key: 3 | 8 = 38

What is the minimum data entry? A. 96 B. 38 C. 79 D Key: 3 | 8 = 38

What percentage of students had a grade of 70 or above? A. 37% B. 63% C. 69% D. 32%

What percentage of students had a grade of 70 or above? A. 37% B. 63% C. 69% D. 32%

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