1: A Study of Qualitative Data
The following raw data was obtained from the Orange County Superior Courthouse. There are four
courthouses in Orange County; Central Justice Center (CJC), Harbor Justice Center South (HJCS), North
Justice Center (NJC), and W
Chapter 3: Bluman 8th 15
3.1 Measures of Central Tendency : Mean, Median, Mode, and Midrange
A statistic is a characteristic or measure obtained by using the data values from a sample.
A parameter is a characteristic or measure obtained by using all the d
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. What are the odds a_g_ainst drawing a card from an ordinary deck of cards and getting a spade?
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. A child gets 20 heads out of 30 tosses of a coin. If he declared the chance of getting a
Math 120 Name
Fall 2013 Ciass Day
Ch 8 Q9
SHOW ALL YOUR STEPS
1. Breaking Strength of Cable A special cable has a breaking strength of 815 pounds. The standard deviation
of the population is 14 pounds. A researcher selects a sample of 50 cables and finds
Math 120 Name %
Spring 2013 Class Day
Ch 6.2-6.4 07
Show your work. Write the function and the input. List your variables and the value of each.
1. X is a normally distributed random variable with a mean of 15.0. Find the standard deviation of the
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Math 120
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Probability Worksheet ll @
. If two die are rolled what is the probability of rolling a pair of 2s?
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. If one card is drawn from an ordinary deck of cards, what is the probability that the
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Chapter 2: Bluman 81 7
2.1 Organizing Data
To describe situations, draw conclusions, or make inferences about events, the researcher must organize
the data in some meaningfui way.
The most convenient method of organizing data is to construct a frequency d
Chapter 6 Normal Curve
6.1
Summaries of Properties of the Theoretical Normal Distribution and the Standard Normal
Distribution:
1. The normal distribution is _.
2. The _, _, and _ are equal and located at the center of the
distribution.
3. The normal dist
Math 120 05 Name g
Fall 2013 Class day
0115
Show your work.
1. Construct the probability distribution for the number of tails obtained when tossing five
coins. Draw a graph of the distribution.
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Math 120 Name
Fall 2013 Class Day '
Ch 7 Q8
SHOW ALL YOUR STEPS
Indicate function and input when using your calculator.
1. Find the z critical value for the 97% condence Interval. MW $750) 2 l7
2. Find the t criticalv or the 97% condence interval with
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Chapter 6 Normal Curve 61%
5.1
Summaries of Properties of the Theoreticai Normal Distribution and the Standard Normal
Distribution: V
1. The normal distribution is g gig g Q Q @924 g .
2. The cfw_mag 2 , cfw_3&5ng and Midst; are equal and located at t
Math 120 Name it
Fall 2013 Class Day
Ch6_ 6.1 only GB
Show your work.
1.
Given a normal distribution with mean 65 and standard deviation 4, what is the pfrobability at a
data point chosen at random will be between 57 and 73?
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Math 120 Linear Regression Name
Chapter 10 Quiz 10 Class
Show your steps
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Car Rental Companies
1. Construct a scatter plot for the data shown for car rental companies in the United States for a recent year.
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