755 prompts matching "The standard deviation of grouped data using an assumed mean"
Showing only prompts that state their year. 35 more in this subject don't name one, so choose All years to see them.
Recognising arithmetic vs geometric sequences
I am in SS 1. Teach me how to tell from a list of numbers whether a sequence is arithmetic
Solving for x when three terms are in geometric progression
I am in SS 1. Teach me finding the value of x given that three algebraic expressions in x
Sequences involving fractions
I am in SS 1. Quiz me with 5 short Additional Maths questions on finding the nth term and
Condition for two lines to be parallel
I am in SS 1. Teach me the condition for two lines to be parallel, and using it to find th
Condition for two lines to be perpendicular
I am in SS 1. Quiz me with 4 short Additional Maths questions on the condition for two lin
Dividing a line segment in a given ratio
I am in SS 1. Teach me finding the coordinates of a point that divides a line segment inte
Sketching a straight line from its equation
I am in SS 1. Teach me sketching the graph of a straight line given its equation, correctl
Perpendicular from a point to a line
I am in SS 1. Teach me finding the equation of the line through a given point that is perp
Reviewing all coordinate geometry formulas before a test
I am in SS 1. Quiz me with 5 short Additional Maths questions on a structured review of ev
Representing a solution set on a number line
I am in SS 1. Give me a Cambridge IGCSE Additional Mathematics style exam question on repr
Zero index rule
I am in SS 1. I'm going to explain the zero index rule, showing why any nonzero number rai
Negative indices in algebraic fractions
I am in SS 1. I attempted an Additional Maths question on simplifying an algebraic express
Fractional indices as roots
I am in SS 1. Teach me fractional indices, converting between root form and index form, su
Index equations reducing to a quadratic
I am in SS 1. Show me a fully worked Cambridge/Additional Maths style solution to a questi
Simplifying bracketed algebraic index expressions
I am in SS 1. Quiz me with 5 short Additional Maths questions on simplifying an expression
Evaluating index expressions without a calculator
I am in SS 1. Give me a Cambridge IGCSE Additional Mathematics style exam question on eval
Indices word problem: bacteria growth
I am in SS 1. Teach me a word problem where a quantity grows according to an index formula
Solving 4^x = 8^(x-1) by matching bases
I am in SS 1. I'm going to explain solving the equation 4^x = 8^(x-1) by writing both side
Solving 9^x x 3^(x+1) = 1
I am in SS 1. Give me a Cambridge IGCSE Additional Mathematics style exam question on solv
Evaluating a fractional-negative index expression
I am in SS 1. Teach me evaluating 25^(-3/2) fully as a fraction without a calculator the w