1. Develop a graph or table that portrays the checking balances. What is the balance of a
typical customer? Do many customers have more than $2,000 in their ac-counts? Does it
appear that there is a difference in the distribution of the accounts among the
Refer to the Baseball 2012 data. Compute the mean number of home runs per game. To do this,
first find the mean number of home runs per team for 2012. Next, divide this value by 162 (a
season comprises 162 games). Then multiply by 2 because there are two
monthly net income
60000
How much "house" can you afford?
1800000
Calculate the customary 20% down payment.
99,000
I have 89,000 so I will get a loan for 10,000
Monthly Mortgage
1842
Amount of Monthly income after mortage payment
58158
loan period
1
2
3
4
AAPL Stock Prices
Date
Price
2008
2009
2010
2011
2012
2013
Return Rate
82.53
203.76
311.89
391.6
519.13
561.02
146.89
53.07
25.56
32.57
8.07
the differences are the linked dots in the line graph
I believe scatter is more appropriate for there is onl
Total
MATH 1342 FINAL EXAMINATION.
ANSWER ALL QUESTIONS. TIME 1.5 HRS
MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers
the question.
Provide an appropriate response.
1) Find the standardized test statistic, z, to test the
Motor systems
Motor System
Dr.PeggyBlake
ComD 4333
1
Motor Control
Levelsofcontrol
Spinalcord reflexes
Brainstem vegetativefunctions
Cerebellum coordination
Basalganglia regulation
decreasing/preventing movement, facilitating movement
there can be not en
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9:19 PM
Page 1
Important Formulas
Chapter 3
Data Description
Chapter 5
X
Mean for individual data: X
n
Mean for grouped data: X
f Xm
n
X X 2
n1
n X 2 X 2
nn 1
(Shortcut formula)
s
or
Standard deviation for grouped data:
s
n
Probability
and
Probability Distributions
Dr. Mohammed Alahmed
1
Probability and Probability
Distributions
Usually we want to do more with
data than just describing them!
We might want to test certain
specific inferences about the
behavior of the data.
Refer to the data on the school buses in the Buena School District. Set up a variable that divides
the age of the buses into three groups: new (less than 5 years old), medium (5 but less than 10
years), and old (10 or more years). The median maintenance c
Refer to the Buena School District bus data. Prepare a report on the maintenance cost for last
month. Be sure to answer the following questions in your report.
a. Around what values do the data tend to cluster? Specifically what was the mean maintenance
c
Refer to the Buena School District bus data.
a. Refer to the maintenance cost variable. Develop a box plot. What are the first and third
quartiles? Are there any outliers?
b. Determine the median maintenance cost. Based on the median, develop a contingenc
Best Electronics Inc. offers a no hassle returns policy. The number of items returned per day
follows the normal distribution. The mean number of customer returns is 10.3 per day and the
standard deviation is 2.25 per day.
a. In what percent of the days a
Refer to the Buena School District bus data.
a. Refer to the maintenance cost variable. The mean maintenance cost for last year is $450.29,
with a standard deviation of $53.69. Estimate the number of buses with a cost of more than $500.
Compare that with
An auditor for Health Maintenance Services of Georgia reports 40% of policyholders 55 years or
older submit a claim during the year. Fifteen policyholders are randomly selected for company
records.
a. How many of the policyholders would you expect to have