Chapter 7 Review Packet Name: I [aw/64y)
AP Statistics Date:
1. For each description below, identify each underlined number as a parameter or statistic. Use
appropriate notation to describe each number, e.g., f2 = 0.96.
(a) Nationwide, 84% of people are
CHAPTER 7: SAMPLING DISTRIBUTIONS Name. 7%_"_/74
A.P. Statistics Period: _D_a_te_
7-1 Sampling Distributions
Lets revisit an activity that we did a month ago the Gettysburg Address Activity.
What was the goal of the activity? '7 574V7-zp g 52 f : ye of! 4
Chapter 7 Review
. A number that describes the whole population is known as a l E cfw_a MC I .
A number that is calculated from a sample is known as a 5+ad7 S C .
We always use a 54711175160 to estimate a qm MW
In Section 7-2, we used a 9:4 5 to
CHAPTER 7: SAMPLING DISTRIBUTIONS Name:
A.P. Statistics Period: _ Date:
7-2 Sample Proportions
Example: Suppose a large bag of Reeses Mini Cups has 1000 pieces. We know that exactly 40% of
the candies are orange. Select a sample of 50 pieces.
Let X -)