stud
bud
Sign up
Log in
Home
Library
Explore
SAT
More
Duplicate of Sampling Distribution Flashcards | StudBud
Explore
/
Duplicate of Sampling Distribution
Duplicate of Sampling Distribution
9 terms
·
StudBud Administration
·
52 plays
Review for Chapter 7 AP Statistics test.
Flashcards
9 cards
F
Practice quiz
P
Host live
L
Questions
9
Answers
1
The variability of a statistic is described by
the vagueness in the wording of the question
the spread of its sampling distribution
probability calculations
the amount of bias present
2
If you graphed all those percentages, you would have (a piece of)
the parameter
the sampling distribution
80% of the 100 shots
the sample proportion
3
Which of the following is correct?
the population is a subset of the sample
parameters describe population characteristics
statistics must be based on a simple random sample
parameters describe sample characteristics
4
The many percentages should be centered at?
0.8
80
.04
80%
5
To reduce the variability of estimates from a simple random sample
use a smaller sample space
increase the bias
use a larger sample
use a count, not a percent
6
If she is truly a 80% free throw shooter, how likely is it she would only get 72% (or less) in?
.058
.0227
.04
0.013
7
A survey conducted asked whether or not the action of roach disk was effective. 79% agreed.
population
parameter
statistic
sample
8
If she gets 72% in, and the value we got was .023, what does that mean?
If she shot 72%, only 2.3% she is really an 80% shooter
She make 80% 2.3% of the time
2.3% chance she is lying
If she is an 80% shooter, only 2.3% she would make so few
9
The many percentages will vary from .8 by about what?
.04
.058
.004
0.8
