1. Suppose that the following scores represent your grades on the first 5 tests: 68, 88, 68, 80, and 86. Find: = median = mode %3D %3D
1. Suppose that the following scores represent your grades on the first 5 tests: 68, 88, 68, 80, and 86. Find: = median = mode %3D %3D
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:Descriptive Statistics Worksheet
Name:
1. Suppose that the following scores represent your grades on the first 5 tests: 68, 88, 68, 80,
and 86. Find:
=
median =
mode =
2. As a realtor, you have sold the following houses in the past year:
$103,500 $220,499 $130,050 $423,000 $12,000,250
median =
mode =
3. The following is data representing the rushing yards gained by San Diego Chargers
Football Players in 2006. Assume LaDainian Tomlinson is the outlier:
Player
Rushing Yards
LaDainian Tomlinson
1815
Michael Turner
502
Lorenzo Neal
140
Philip Rivers
49
Andrew Pinnock
25
Erick Parker
19
Vincent Jackson
16
Charlie Whitehurst
13
Keenan McCardell
8
Brandon Manumaleuna
1
Billy Volek
Mike Scifres
-3
-7
4. What is the mode of the data set?
5. Calculate the mean and median INCLUDING the outlier:
median =
6. Calculate the mean and median EXCLUDING the outlier:
median =
7. Which measure (mean or median) do you think is the best in terms of the average rushing
yards of a Charger? Explain.
8. You grow 20 crystals from a solution and measure the length of each crystal in
millimeters. Here is your data:
9, 2, 5, 4, 12, 7, 8, 11, 9, 3, 7, 4, 12, 5, 4, 10, 9, 6, 9, 4
Find the standard deviation using your calculator and explain what the standard deviation
means.
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