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.
TFiLiE - As lung as tars-tail: abmtihs- pita-inability.r UTAH 'ritswal.
nut THIS intsrual.
[J-
lhs Intsrtral WEE pmduss by a tsshniq
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
QuasonE 1"
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
Use
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
'DI
D
b
C1
G
zoo -
190
Monthly Precipitation cfw_mm
UNDJFMAMJJAS
Month
The median rain fell for April is higher than for July
* The median rain fell for June Ie
Question 1 1 1 eta
ln 201G. the General Sdcial Euwey asked respondents if they agreedfdisagreed with ma
statement, "Private Enterprise will solve all dt the US pmhlems. Based on the results cf this
year, rt ls possible to ccnclude that ahcut 2.829 to 6.23
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y = a + bx
s
y
b = r sx
a = y b
x
Residual = y - y
X Bin(n, p)
( )
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(n)x
n!
where x = x!(nx)!
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STA-2023: Introduction to Statistics 1
Section 5125 / Summer B 2010 Course Information and Policies Course Objective: A survey of the basic concepts in probability and statistics with general applications. Topics include pr