STAZtlES $pring tots - Ripol Exam 2 TEST son. March 29, 2016
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Questions 1 ti A recent survey of SI) LTF students asked them how many servings off-'ruits and vegetables they
Review for Exam 2
Parameters vs Statistics
Probability vs Statistics
Sampling distribution of p-hat:
X is Binomial (count of successes)
p ~ N ( p,
distribution of values a sample
statistic takes i
STA 3024 Fall 2015 Exam 1 RIPOL
Section 4433 4 period
TEST FORM CODE: A (top right corner of scantron) UF ID # _
SPECIAL CODE: 45 (on bottom of scantron)
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STA 3024 Fall 2014 Exam 2 RIPOL
TEST FORM CODE: C (top right corner of scantron)
SPECIAL CODE: 22 (on bottom of scantron)
UF ID # _ Section 4433 4th period
FILL OUT your personal information above.
BUBBLE IN SCANTRON: Name, UFID, se
95% at all samples Wlll have svhar between 4.153 anti 12.53.
If: Ths pmhahilityr that mu is included In a 95% Cl is [1.95.
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Question 3 1 l 1 Pt
In 201E]. the General Social Survev asked 123G respondents if they
believed that private enterprise oculd solve US problems. Clut [if 1230,
5T9 said ves. Which of the following statements isCEIrreistlyir describes how
the condence in
A study on students drinking habits wants to determine li'ie true average
number of alcoholic drinks all FSU undergraduate students who are
members of a fraternity or sorority have in a one week period. We know
from preliminary.r studies that t
Incerrect nuesun 5 I] I 1 pts
Mark it the fellcwihg statement is True or Felee.
he ycu increase the condence ievei feverhtng etee remaining the
same, the width cf the confidence thteruei increases.
he ycu iHClE-ESEI from 95% to 99%, the 2 increases from 1
|tinesbn 1 1 it 1 Pt
A study repcrts that ccllege students want. an average, between 4.53
and tees hcurs a weelt, with ccni'idence ccetricient .95. Which cf the
tbllbwing statements are ccrrect'i'
MARK ALL THAT ARE TRUE.
There are tcur ccrrect answers. fe
Question 4 1 I 1 pita
A random sample of 10 recent college graduates found that starting
salaries for accountants in New Torin: City had a mean of 334?.589 and a
standard deviation of $1 1.354. There are no outliers in the sample data
set. lConstruct a 95
Question 3 1 if 1 Pt
Semeene is interested in studying pieperty tax rates in the United States. He randizinilyir selects
25 homes and leeks up their property-rte): rate. He is interested in studying the penter, shape
and spread etthe data. What type of gr
GUEStiD 2 mu I ma pm
Find the sample standard deviation of me following data set of time spent listening to music cfw_hr
by a random sample of oollege students, using the statisijoal functions on your oaioulator.
H.251 H.332 EL4E'I H.157" [1224 0.231
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