Formula's
Definitions
Reference Sheet
Calculations
Calculations 2
100

When you find the sum of all scores, then divide it by the number of scores. What are we finding?

The mean

100

What is the simple term for a variable?

A letter

100

Is the formula for the volume of a sphere present on the formula sheet?

Yes

100

When Pearson's Coefficient r = 0.8, what is the type of relationship (direction and strength)?

Positive and Strong

100

How many kW are in 24,560w?

24.56kW

200

What trig rule involves 3 sides and 1 angle.

Cosine Rule

200

What is also equal to the maximum flow?

Minimum Cut

200

In the Straight-Line Depreciation formula, what does V0 stand for?

Purchase price

200

How many m2 in 24,560cm2?

2.456m2

200

If Vlad earns $18/h, and works 3 hours at time and a half. How much does Vlad earn?

Joe earns $81

300

Which formula do you use when you earn interest that compounds each time period?

Compound Interest Formula - FV = PV (1 + r)n

300

In the networks topic, what do you call the number of edges connected to a vertex?

Degree

300

Does the formula sheet include the cosine rule for finding a side AND finding an angle?

Yes

300

How many mL in 1.2L?

1200L

300

What is the area of a rectangle with width of 3m and a length of 2cm?

6cm2

400

When finding the equation for least-squares line of regression, which type of line do we model for our equation?

A linear line

400

In the topic of networks, what is a walk but with NO repeated edges, and NO repeated vertices

A Path

400

What percent of scores are between a z-score of -2 and 2?

95%

400

Sydney (+10 UTC) - Wellington (+12 UTC)

If it is 4pm in Sydney, What is the time in Wellington?

6pm

400

How many min 0.45km3?

450,000m3

500

If you a subtracting the earliest finish time (EFT) from the latest finish time (LFT), what are you finding?

The float time

500

What are we finding when two linear lines intersect?

The break even point

500

What percentage of z-scores are between 1 and the mean? 

34%

500

What is the volume of a sphere with radius 12cm, to the nearest cm3?

7238cm3

500

If my fuel consumption is 13.5L/100km, how many litres do I use for a 240km trip?

32.4L

M
e
n
u