Identifying Errors: Write sentences describing type I and type II errors for a hypothesis test of
the indicated claim.
1. A furniture store claims that at least 60% of its new customers will return to buy their
next piece of furniture.
Type I: If you r
Testing Claims Using P-Values
On separate sheet of paper, for each exercise, complete the following steps:
a. Write the claim mathematically and identify null and alternate.
b. Find the standardized test statistic z and its corresponding s
Do Now: Take out Friday's worksheet
More Sampling Bias Worksheet
Leonardo MiniLabs are coming
back to you. Look over your
errors & we'll review the answers.
Take out binders - A LOT of notes today
You will be getting your Near & Far Labs back
Absent on Friday? See me today to schedule
your test makeup. Must be made up by
1. A researcher does a survey by randomly calling phones
that have land lines. What type of bias could be present?
2. A radio station asks listeners to phone in their choice in a
daily poll. Wh