
Page 1 of 3
Download
Get this sheet
SubscriptionOpen any sheet in any course, up to 40 a month, keys included. Or $40 month to month.
$25/mo, billed yearly
SubscribeTry one first: a free Chapter 1 worksheet (PDF, no sign-in).
What's on the worksheet
- Aisha, a botany student, suspects that dandelions on the grassy verges of a made-up county's roads send up taller flower stalks than dandelions on…
- A made-up restaurant buyer compares dried chickpeas from two suppliers, each of whose warehouses holds thousands of 1-kilogram bags.
- A made-up hardware co-op designs a screwdriver with a new ridged grip and expects it to let people work faster than its old smooth grip.
- A made-up consumer guide suspects that shoe-repair shop A resoles boots faster than shop B.
Teach it first
The free lesson teaches it with worked examples and practice problems.
Test for a difference of means: the lesson ›