2. Imagine you are the assistant manager of a fast food store. Part of your job is to report which special is selling best to the store manager at the end of each day. Use your knowledge of descriptive statistics and write one paragraph to let the store manager know what happened today. Use the following data.

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Chapter1: Making Economics Decisions
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Can you provide solution of question 2?
4
3
3
3
2
2
4
2. Imagine you are the assistant manager of a fast food store. Part of your job is
to report which special is selling best to the store manager at the end of each
day. Use your knowledge of descriptive statistics and write one paragraph to let
the store manager know what happened today. Use the following data.
Special number
Huge Burger
Baby Burger
Chicken Littles
Porker Burger
Yummy Burger
Coney Dog
Total specials sold
Sold
Cost
20
$2.95
$1.49
$3.50
$2.95
$1.99
$1.99
18
25
19
17
20
119
3. Suppose you are working with a data set that has some different (much larger
or much smaller than the rest of the data) scores. What measure of central
tendency (mean, median or mode) would you use and why?
4. During the course of a semester, 10 students in Mr. Smith's class took three
exams. Use Microsoft Excel" to compute all the descriptive statistics for the
following set of three test scores over the course of a semester. Which test had
the highest average score? Which test had the smallest amount of variability?
How would you interpret the differences between exams, and note the range,
means, and standard deviations over time?
Test 1
90
65
51
88
72
75
Test 2
Test 3
94
95
75
90
77
91
84
93
88
92
84
90
60
75
83
78
85
90
80
80
92
84
88
94
For each of the following, indicate whether you would use a pie, line, or bar
chart, and why:
5.
The proportion of freshmen, sophomores, juniors, and seniors in a particular
university
Change in GPA over four semesters
Number of applicants for four different jobs
Reaction time to different stimuli
Number of scores in each of 10 categories
а.
b.
c.
d.
е.
6.
Using the data from question 1, create a frequency table and a histogram in
Microsoft" Excel".
PSYCH62515_Wk1_Descriptive_Infere.
2/3
II
Transcribed Image Text:4 3 3 3 2 2 4 2. Imagine you are the assistant manager of a fast food store. Part of your job is to report which special is selling best to the store manager at the end of each day. Use your knowledge of descriptive statistics and write one paragraph to let the store manager know what happened today. Use the following data. Special number Huge Burger Baby Burger Chicken Littles Porker Burger Yummy Burger Coney Dog Total specials sold Sold Cost 20 $2.95 $1.49 $3.50 $2.95 $1.99 $1.99 18 25 19 17 20 119 3. Suppose you are working with a data set that has some different (much larger or much smaller than the rest of the data) scores. What measure of central tendency (mean, median or mode) would you use and why? 4. During the course of a semester, 10 students in Mr. Smith's class took three exams. Use Microsoft Excel" to compute all the descriptive statistics for the following set of three test scores over the course of a semester. Which test had the highest average score? Which test had the smallest amount of variability? How would you interpret the differences between exams, and note the range, means, and standard deviations over time? Test 1 90 65 51 88 72 75 Test 2 Test 3 94 95 75 90 77 91 84 93 88 92 84 90 60 75 83 78 85 90 80 80 92 84 88 94 For each of the following, indicate whether you would use a pie, line, or bar chart, and why: 5. The proportion of freshmen, sophomores, juniors, and seniors in a particular university Change in GPA over four semesters Number of applicants for four different jobs Reaction time to different stimuli Number of scores in each of 10 categories а. b. c. d. е. 6. Using the data from question 1, create a frequency table and a histogram in Microsoft" Excel". PSYCH62515_Wk1_Descriptive_Infere. 2/3 II
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