Statistics, Data and Area (Semester 2 Exam)

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	Image: ab18392d-dd5c-4c46-a75b-93c2dd90581e.gif (image/gif)
Area of semicircle	Image: 3c7210ac-7599-44ca-96ce-744cbdd6c57b (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

Resource summary

	Created by meg willmington over 8 years ago