Download File - Bethanie Diffenderfer

By:
Bethanie Diffenderfer
To Bibliography
Distributions
Relationships
Samples,
Surveys, and
Experiments
200
200
200
200
200
400
400
400
400
400
600
600
600
600
600
800
800
800
800
800
1000
1000
1000
1000
1000
Probability
Wonder Words
Distributions 200
 Find
Quartile 1 and Quartile 3 of the
following data:

Number of times a person sneezes in a day:
 0,0,0,0,1,1,1,1,1,1,2,2,2,2,3,3,3,4,4,4,5,5,6
Answer
Distributions 400
 Joe
Billy Bob is taking a survey for his
Statistics class on the ways people get to
and from school. His findings show that 56
people ride the bus, 48 people drive
themselves, 22 people carpool and 17
students walk.
 With the presented data, what would be
the best graph to use to display his
findings?
Answer
Distributions 600
 Describe
the shape of the curve:
(1)
Answer
Distributions 800
A distribution of 6 scores has a
median of 21. If there highest
score increases 3 points, the
median will be?
Answer
Distributions 1000
 What
are the percentages of the data for
the red, red and green, red and green
and blue sections of the graph.
(2)
Answer
Relationships 200
Please explain the process of how to
construct a scatter plot. Make sure that you
include all points of a graph. (hint: the thing
at the top, etc.)
Answer
Relationships 400
Describe the correlation of the graph
below:
(3)
Answer
Relationships 600




There is a strong linear association between
the weight of a football player and the time in
seconds it takes for that player to run a 100yard dash. Knowing this. A reasonable value
for the correlation r between weight and 100yard dash time would be:
A: r = 0.8
B: r = 0
C: r = -0.8
(4)
Answer
Relationships 800
 Which
of the following statements about
the slope of the least square regression
line is true?



A: It has the same sign as the correlation
coefficient r
B: The square of the slope equals the
proportion of the variation in the response
variable that is explained by the
explanatory variable.
C: It is unitless
(4)
Answer
Relationships 1000
A
local community college announces
the correlation between college
entrance exam grades and scholastic
achievement was found to be -1.08. On
the basis of this you would tell the college
that…





A: The entrance exam is a good predictor of
success
B: The exam is a poor predictor of success
C: Students who do best on this exam will be
poor students
D: The college should hire a new statistician
E: Students at this school are underachieving
Answer
Samples, Surveys, and
Experiments 200
 Which
of the following statements
are true?




A: Random sampling is a good way to reduce
response bias.
B: To guard against bias from undercoverage,
use a convenience sample.
C: Increasing the sample size tends to reduce
survey bias.
D: To guard against nonresponse bias, use a
mail-in survey.
(4)
Answer
Samples, Surveys, and
Experiments 400
 You
wish to conduct a study to examine
how the religious affiliation of a person
may influence their opinion about
abortions. Which of the following
statements about the variable “religion
affiliation” is true?



A: It is the explanatory variable and is
quantitative
B: It is the response variable and it is
categorical
C: It is the explanatory variable and is
categorical
Answer
Samples, Surveys, and
Experiments 600
An auto analyst is conducting a satisfaction
survey, sampling from a list of 10,000 new
car buyers. The list includes 2,500 Ford
buyers, 2,500 GM buyers, 2,500 Honda
buyers, and 2,500 Toyota buyers. The
analyst selects a sample of 400 car buyers,
by randomly sampling 100 buyers of each
brand. Is this an example of a simple
random sample?
Answer
Samples, Surveys, and
Experiments 800
 Which
of the following statements
are true?



A: A sample survey is an example of an
experimental study.
B: An observational study requires fewer
resources than an experiment.
C: The best method for investigating causal
relationships is an observational study.
Answer
Samples, Surveys, and
Experiments 1000
Nine hundred (900) high school freshmen
were randomly selected for a national
survey. Among survey participants, the
mean grade-point average (GPA) was 2.7,
and the standard deviation was 0.4. What is
the margin of error, assuming a 95%
confidence level?
Answer
Probability 200
A card is drawn randomly from a
deck of ordinary playing cards.
You win $10 if the card is a
spade or an ace. What is the
probability that you will win the
game?
Answer
Probability 400
 On
any given day, the probability it
will rain is 0.32; the probability the
wind will blow is 0.2; and the
probability that it will rain and the
wind will blow is 0.1.
 For a randomly selected day, what
is the probability that it will NOT rain
and the wind will NOT blow?
Answer
Probability 600
Two dice are rolled, find the
probability that the sum is equal
to 5.
Answer
Probability 800
A train is scheduled to leave the station at 3
P.M. However, it is equally likely to actually
leave the station any time from 2:55 to 3:15
P.M. What is the probability it will depart the
station early?
Answer
Probability 1000
Suppose a die is tossed 5 times.
What is the probability of getting
exactly 2 fours?
Answer
Wonder Words 200
What is an
inflexion point?
(5)
Answer
Wonder Words 400
The equation that is used
to determine outliers in a
set of data. Please state
the name and the
formula.
(5)
Answer
Wonder Words 600
What is a numerical
measure of the direction
and strength of a linear
association?
(5)
Answer
Wonder Words 800
What reflects the overall
accuracy and correlation of
statistical data sample?
(5)
Answer
Wonder Words 1000
What is an extraneous variable in
statistical mode that correlates
with both the dependent and
independent variable?
(5)
Answer
Distributions 200
Quartile 1: 1
Quartile 3: 4
Game
Board
Distributions 400
A bar graph or histogram
School Transportation
Walk
Carpool
Drive
Bus
School
Transportati
on
0
50
100
Game
Board
Distributions 600
Skewed Right or
Positively Skewed
Game
Board
Distributions 800
21
Game
Board
Distributions 1000
Red: 68%
Red and Green: 95%
Red, Green, and Blue: 99.7%
Game
Board
Relationships 200
 Title
 X-axis
title
 Y-axis title
 Numerical values for x and y
 Dots corresponding to the x and y data
values.
Game
Board
Relationships 400
A weak negative
correlation.
Game
Board
Relationships 600
A: 0.8
 This
is because there is a strong linear
correlation. As weight increases, time will
increase as well making this a strong
positive correlation. The closer you get to
1 in correlation the stronger it is. Since it is
positive it is a positive number.
Game
Board
Relationships 800
B: The square of the slope equals
the proportion of the variation in
the response variable that is
explained by the explanatory
variable.
Game
Board
Relationships 1000
D: The college should
hire a new statistician
Game
Board
Samples, Surveys, and
Experiments 200
None of them
Game
Board
Samples, Surveys, and
Experiments 400
C: It is the explanatory
variable and is categorical
Game
Board
Samples, Surveys, and
Experiments 600
No, because every possible
400-buyer sample did not
have an equal chance of
being chosen.
Game
Board
Samples, Surveys, and
Experiments 800
None of them
Game
Board
Samples, Surveys, and
Experiments 1000
0.025
Game
Board
Probability 200
16/52 or 4/13
Game
Board
Probability 400
0.58
Game
Board
Probability 600
4/36 or 1/9
Game
Board
Probability 800
0.25
Game
Board
Probability 1000
0.161
Game
Board
Wonder Words 200
It is the point on the curve
where the direction of the
curve changes from
increasing to decreasing or
vise versa.
Game
Board
Wonder Words 400
Inter Quartile Range
(Q1 – Q3) x 1.5
Game
Board
Wonder Words 600
Least-Square
Regression Line
Game
Board
Wonder Words 800
Variance
Game
Board
Wonder Words 1000
Confounding
Game
Board
Bibliography






NCAR Command Language. 2013. Bolder, Colorado.
NCAR. Web. 11 September 2013.
Wissing, Russ. Describing a Distribution. Seward High
School, Nebraska. Web. 11 September 2013.
Niles, Robert. Standard Deviation. 1995.
RobertNiles.com. Web. 11 September 2013.
Canul, Yvonne C. High School Content Expectations.
November 2007. Michigan Department of Education.
Web. 17 September 2013.
Hart, Diana. Final Exam. AP Statistics. Romeo High
School, Romeo, MI. 18 May 2011.
Hart Diana. Class Lecture. AP Statistics. Romeo High
School, Romeo, MI. 2010-2011
Game
Board