What 3 measures of center were discussed in this section of the book?
In this section you learned how to summarize data with a measure of center.
What 3 measures of center were discussed in this section of the book?
1. __________ ________
2. __________________
3. __________________
What is the symbol for population mean?
population mean = ____
What is the symbol for sample mean?
sample mean = ____
Fill in the following as you work through your given problems in MyOpenMath
Fill in the following in the context of this problem:
Individual: ___________________ ___________________________
Variable: _____ _________________________________(measured in mg/dL)
Type of variable: _________ _____________________________
Use StatCrunch to find the mean, median and mode of the data.
You can copy the list of data given in MyOpenMath and copy into a column in StatCrunch.
Mean = _______ = __________ ___mg/dL___________ (symbol, value, units)
Median = __________ __mg/dL____________ (value, units)
Mode(s): ________ ______________mg/dL ____________________________ (value(s) and units)
Write a sentence in context for the mean. Look at Example 3.1.1 for sample wording.
______________This is the measure of center that most people call the average.
Write a sentence in context for the median. Look at Example 3.1.1 for sample wording.
____ data value is in the middle of the data set_____________________________________________________________________________
Write a sentence in context for the mode. Look at Example 3.1.1 for sample wording.
________data value occurs most often is called mode_________________________________________________________________________
_________________________________________________________________________________
Fill in the following in the context of this problem:
Individual: ____________ ___________________________________
Variable: ____________ __________________________________
Type of variable: ___________ ____________________________
a. Use StatCrunch to find the mean, median and mode of the data.
Mean = _______ = ____ ______ _____dollars_________ (symbol, value, units)
Median = _____ _________ (value, units)
Mode(s): __________ ________________________________________ (value(s) and units)
b. Use StatCrunch to find the mean, median and mode of the data without the CEO salary.
Mean = _______ = __________ ___ ___________ (symbol, value, units)
Median = __________ ___ ___________ (value, units)
Mode(s): __________________________________________________ (value(s) and units)
c. Which statistic was most affected by removing the CEO salary? ___ _______________
Name and make a quick sketch of the 4 shapes discussed in chapter 2:
What shape is your given graph? _____ __________________________________________
Which measure of center should be used? ________ ________________
What shape is your given graph? _____________ __________________________________
Which measure of center should be used? ______ __________________
What shape is your given graph? ____________ ___________________________________
Which measure of center should be used? _______________________
You are computing a weighted average for this one.
First fill in the table below with the values you need to enter into two lists on your calculator.
cCGoal 2Job c3
Evaluation Category Rating Weight %
Competency 1 3 2
Competency 2 4 3
Competency 3 2 3
Competency 4 3 2
Competency 5 2 5
Goal 1 3 22
Goal 2 1 21
Job Effectiveness 2 21
Core values 21 2
Find the weighted average score for this employee using your TI84. _________________________
If an employee has a score less than 2.5, they must have a Performance Enhancement Plan written. Does this employee need a Performance Enhancement Plan? ___yes______
You are computing a weighted average for this one.
First fill in the table below with the values you need to enter into two lists on your calculator.
Grade Category Grade Weight %
Test 1 53 18
Test 2 58 15
Test 3 56 17
Homework 82 6
Semester Project 90 7
Final Exam 100 37
What numeric grade did the student earn in the course? ______
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