2.5 Interpreting Standard Deviation
First Approach is Chebyshevs Rule (Formula 2.7,
2.8)
This rule applies to any data set, regardless of
its distribution
In general, it states that for any number
SHOW ALL WORK. NO WORK = N0 CREDIT.
Q3. Suppose that adult cats of 21 certain breed weigh an average of? kg with a standard
deviation of 1.2 kg. Assume that cat weinhis zuc approximatly norn'mlly dis
Statistics 2500 Exam #1 All sections
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Statistics 2500 Exam #3 All sections
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Ch. 8 Course Notes
8.1: Identifying the Target
Parameter
Determining the Target Parameter
8.2: Comparing Two
Population Means:
Independent Sampling
8.2: Comparing Two
Population Means:
Ind
John Carney
Ch. 6 Course Notes
6.1: Identifying and
Estimating the Target
Parameter population parameter (e.g.
The unknown
mean or proportion) that we are interested
in estimating is called the targe
John Carney
Ch. 7 Course Notes
7.1: The Elements of a Test of
Hypothesis
A statistical
hypothesis is a statement
about the numerical value of a population
parameter. p. 356
There
are two types of th
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2017 NEP 1340 Course Outline
T/TH: 3:304:45pm
DATE
TOPIC
CHAPTER IN BOOK
Tues Aug 22
Introduction
Class
Introduction/Overview
Thu Aug 24
Benefits of Physical Activity/Clickers
Chapter 1 (pg. 2122)
T
Stat 2500 Exam #2 Review
October 11, 2017
Q1.
Suppose the probability of Danny buying lunch for all of his students once a week is 0.20. Suppose a
standard semester consists of 15 weeks.
1. What is th
Bxam #3
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Learning Centers
Statistics 2500
Exam 3 Review
Ellis Auditorium
Thursday, April 17, 2014
5:307:30 p.m.
Solutions to these problems were recorded on Tegrity on Friday, November 8, 2013 and are now ava
Interpreting Circle Graphs (A)
Answer the questions about the circle graph.
Languages of the World (2009 Estimate)
Percentage of people who speak each language as their first language.
Mandarin 12.44%
Sum of Two Dice Probabilities (A)
Find the probability of each sum when two dice are rolled.
P(>2) =
P(<11) =
P(2) =
P(12) =
P(7) =
P(<5) =
P(5) =
P(10) =
P(8) =
P(<6) =
P(12) =
P(10) =
P(6) =
P(12) =
Reading Pictographs (A)
Answer the questions about the pictograph.
Number of School Buses at Schools in Great Line School District
vvvvvvv
Euclid P.S.
vvvvv
Central P.S.
vv
North Central P.S. vvvvvv
M
Line Plots (A)
Answer the questions about the line plot.
Line Plot 1
x
x
0
1
x
x
x
x
x
2
3
4
5
6
x
x
x
x
x
x
x
x
x
7
8
9
x
10
1. Determine the minimum value, maximum value and range of the data.
2. De
Mean, Median, Mode, and Range (A)
Calculate the mean, median, mode, and range of each set of numbers.
0
1) cfw_18, 18, 63, 63, 84
2) cfw_19, 21, 29, 32, 89
3) cfw_41, 41, 41, 44, 90
4) cfw_25, 37, 39,
Sum of Two Dice Probabilities (A)
Find the probability of each sum when two dice are rolled.
P(3) =
P(8) =
P(<10) =
P(<12) =
P(<5) =
P(<3) =
P(10) =
P(12) =
P(12) =
P(>4) =
P(>5) =
P(10) =
P(5) =
P(<1
Stat 2500, Exam #1, FS2000
1. A large group of people were surveyed in order to determine how many
minutes each week they spent reading a newspaper. The results showed that the group
read newspapers a
Statistics 150, Fall 1998
Exam #2
Name:_
100 points
Form A
Instructions:
I.
II.
III.
IV.
V.
Show all work. Clearly indicate your final answer.
DO NOT write to the right of the margin line.
Carry all c
Stat 2500, Exam #2, FS2000
1. The number of minutes late that a city bus arrives at a drop off location is
approximately uniformly distributed between zero and 15 minutes.
(a) 95% of the time, a bus w
Statistics 2500
FS2008 / Form
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Exam #1
September 24,2008
1
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Stat 2500 Exam #2 Review
October 11, 2017
Q1.
Suppose the probability of Danny buying lunch for all of his students once a week is 0.20. Suppose a
standard semester consists of 15 weeks.
1. What is th
Q1: It is claimed that the average weight of the thanksgiving turkey is 18 pounds. In order to see
if the actual average weight is higher than claimed, a sample of 36 thanksgiving turkeys are
selected
Stat 2500 Exam #1 Review
September 14, 2017
Q1. A construction company employs three sales engineers. Engineers 1, 2, and 3 estimate the costs of
30%, 20%, and 50%, respectively, of all jobs bid by th