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STA 3024 Fall 2015 Exam 1 RIPOL
NAME:_
th
Section 4433 4 period
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YOU CAN USE ANY FORMULAE PROVIDED BELOW:
y = a + bx
s
y
b = r sx
a = y b
x
Residual = y - y
X Bin(n, p)
( )
P (X = x) = n px (1 p)nx
(n)x
n!
where x = x!(nx)!
E[X] = np
=
V ar[X] = = np(1 p)
P (A and B) = P (A B)
If A and B are independent
P (A B) = P (A)
STAZtlES $pring tots - Ripol Exam 2 TEST son. March 29, 2016
Honor Ipledge: "the my honor. I have neithergim mar receivedmemtwzedai'dan ts MM"
Questions 1 ti A recent survey of SI) LTF students asked them how many servings off-'ruits and vegetables they
Review for Exam 2
Proportions
Parameters vs Statistics
Probability vs Statistics
Chapter 7
Sampling Distributions
Sampling distribution of p-hat:
X is Binomial (count of successes)
p(1 p)
p ~ N ( p,
distribution of values a sample
n
statistic takes i
CATEGORICAL RESPONSE
PREDICTOR VARIABLES
Normal Based Procedures
Categorical
Predictors
1 group
2 groups
Quantitative /Mixed
Predictors
several groups
1 quantitative
predictor
several predictors
Assumptions
QUANTITATIVE RESPONSE
.
Nonparametric Procedures
STA 3024 Fall 2014 Exam 2 RIPOL
NAME:_
TEST FORM CODE: C (top right corner of scantron)
SPECIAL CODE: 22 (on bottom of scantron)
UF ID # _ Section 4433 4th period
INSTRUCTIONS:
FILL OUT your personal information above.
BUBBLE IN SCANTRON: Name, UFID, se
Question 4 1 3'1 pts
Suppose that someone sampled 100 Palm trees of me same species. Note: Most trees would
be similar in height. but a fee: would be a little shorter and a few would be a little teller. They.r
reoorded the height for eaoh tree. What shape
Question 2 1 I 1 Pt
Suppose that we are interested in studying the demographics of the incoming class for UF
students in EDDS. On August 24. 2003. the Gainestiilie Sun reported ndings about the entire
incoming class to the University of Florida. They.r sa
Question 5 1 if 1 Pts
vmioh of the tolbwlng variaolee ia a continuous quantatrve variable?
favorite color
; time to run a 5K
favorite sport
number of 5K3 run in a 1veer
Quiz Score: 5 out of E
Question 5 cfw_1.5 I cfw_1.5 pts
People who use articial sweeteners in place of sugar tend to be heavier than people who use
sugar, thus we can oonolucle mat artificial sweeteners are detrimental to weight loss efforts. This
is an example of:
extrapolatio
Suppose that you had the tellewing data set.
'IIEJEI 20:] 25G 35 EDD
Suppose that the value 250 was atype, and it was suppese to he EEG. HOW would the 1uraJLIe at
the standard deviation change?
IT WDUICI CIECIE-ELS-E significantly.
Gan FICIt be determined
Which statement DESI GESGHDBS the DDXDIOTS?
Monthly Precipitation, 19742011
High Springs
.h
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D
b
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190
Monthly Precipitation cfw_mm
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Month
The median rain fell for April is higher than for July
* The median rain fell for June Ie