# Statistics, Data and Area (Semester 2 Exam)

Flashcards by meg willmington, updated more than 1 year ago
 Created by meg willmington almost 5 years ago
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### Description

9 Maths 2015 Flashcards on Statistics, Data and Area (Semester 2 Exam), created by meg willmington on 11/14/2015.

## Resource summary

 Question Answer Area of square L2 Area of rectangle l x w Area of parallelogram b x h Area of trapezium (a + b) h/ 2 Area of triangle b x h/ 2 Area of circle ab18392d-dd5c-4c46-a75b-93c2dd90581e.gif (image/gif) Area of semicircle 3c7210ac-7599-44ca-96ce-744cbdd6c57b.png (image/png) Area of fraction of circle x/360 x pi r2 Formula for surface area - Draw the net of shape - Label all the shapes - Formula - Substitute - Therefore sentence SA (cube) = 6 x A(formula) Area of cylinder 2 x pi x r2 x h Calculating volume V = A(base) x h Qualitative Data Categorical Ordinal Quantitative Data Discrete Continuous Category of data that has no sense of order Catagorical Category of data that has a sense of order Ordinal Clearly distinct values; count Discrete Any value in a range is possible; measure Continuous Census Data set is from the entire population Survey Data set is from a portion of the population Grouped data Class mid-point = lower class value + upper class value/ 2 Frequency The amount of times a certain class has been tallied Mean = Efx/ Ef Continuous grouped data (class mid-point) lower class value + upper class value/ 2 Stem and leaf plot Mean formula Ex/ n Stem and leaf plot Median formula (n + 1)/ 2 Mode There can be no more than two modes (make sure to state what are the modes) Range Largest value - smallest value

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