Using Technology with Bivariate Data (HSC SSCE Mathematics Advanced): Flashcards

📚Flashcards
Using Technology with Bivariate Data
Sign up to keep revising.Create a free account to study more flashcards and track your progress.

Practise the cards

10 cards from this deck

Show

Why tech for bivariate data?

Manual calc time-consuming & error-prone

Range of correlation coefficient rr

−1-1 to +1+1

Excel function for mean

AVERAGE

What standard deviation measures

How spread out data values are

Excel function for correlation coefficient

PEARSON

Regression line equation form

y=mx+cy = mx + c

Excel function for gradient

SLOPE

SLOPE & INTERCEPT input order

y-values first, then x-values

rr value for strong positive correlation

Close to +1+1

Purpose of scatterplot

Understand relationship between variables

Join 100,000+ SSCE students studying Flashcards with us.

Select your subjects, and get access to A+ resources today.