# Expert answer:1 Assignment for Excel

instruction_.docx

jia_excel_homework.xlsx

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Directions:

Follow the instructions listed on the next pages.

Enter your name on cell A1 of the worksheet.

Submit your RecitationProject.xlsx file to Sakai using the Sakai->Test &
Quizzes link by following these 3 steps after scrolling towards the bottom of the
instructions page:
o
o
o
Instructions:
1. Go to Sakai → CS170 Gradebook page and do the following:
the items and their information.
b. Copy the selection by right-clicking on it and choosing the option Copy.
c. Start Excel, create a Blank worksheet.
d. Select the cell C3 on the worksheet and paste the information copied.
Widen the C column width.

e. Delete column E: click on the E letter that identifies that column and then
right -click and select Delete (this is needed since that column came with
Data format).
f.
Add the following entries to the list of activities on the C column (below
the last activity listed): Final Exam Part 1, Final Exam Part 2and Final
Exam Part 3.
g. Starting on the cell E3, type the maximum number of points possible for

2 points for Assignment 1

20 points for the other Assignments and the Recitation Project

80 points each for Exams 1 and 2

120 for the Final Exam (simply ignore it if this entry is not listed
yet)

Note: If there is an item for which you do not have a grade yet, do
not enter the maximum points for it.
h. On row 28 do the following:

Enter the label “Totals” on C28

The total points obtained will be calculated on D28. Since there
might be some blank cells, an appropriate function for this cell is
SUMIF.

Arguments for SUMIF:

range: the list of scores on the D column
(including blank cells for the activities with no
scores yet)

criteria: greater than or equal to 0 (express this
using Excel notation)

sum_range: the list of scores on the D column
(including blank cells for the activities with no
scores yet)

i.
Copy the function from D28 to E28 using the fill handle.
On row 29:

Enter the label “Performance” on C29.

On D29 enter a formula to calculate your Performance % by
simply dividing your total points by the total maximum points
(those numbers are on row 28).

j.
Format your performance with Percentage style with 1 decimal.
On G3, start a table of equivalences between % points (on the G column)
and letter grades (on the H column). Use the following Grading table
which is derived from the Grading section of the Syllabus (once
completed the Grading table should start at G3 and end at H9.)
0%
F
60%
D
70%
C
76%
C+
80%
B
87%
B+
90%
A
k. On row 30:
o
Enter the label Letter Grade on C30.
o
On D30 insert the VLOOKUP function to calculate the current letter grade
based on your Performance % and the Grading table created on G3:H9.

The arguments for the VLOOKUP function are:

lookup_value: your numeric performance % (from D29).

table_array: the table that converts percentages into letter
grades which you created starting on G3.

col_index_num: 2 (since the second column contains the
l.
What-If Analysis:
o
Now that you have calculated a letter grade for your current scores, you
will run some simulation Scenarios to evaluate the possible effect of the
Final Exam.
o
The formula entered on cell D28 which currently contains SUMIF needs
to be modified to process the hypothetical Final Exam scores for each of
its parts.
o
To process the Second Chance option, the formula on D28 needs to be
expanded. Instead of just =SUMIF(…) the format will be: =SUMIF(…) +
IF(…) + IF(…)
o

The first IF that needs to be added – use the Formula bar to add it
– will have the following arguments (use Excel
notation; value_if_false does not need an entry):

Logical_test: 2 x Score of Final Exam Part 1 > Score of
Exam 1

Value_if_true: (2 x Score of Final Exam Part 1) – Score of
Exam 1

Value_if false:
At this point D28 should have the following format:
=SUMIF(…) + IF(…)

The second IF that needs to be added will have the following arguments
(use Excel notation; value_if_false does not need an entry):
o
Logical_test: 2 x Score of Final Exam Part 2 > Score of Exam 2
o
Value_if_true: (2 x Score of Final Exam Part 2) – Score of Exam 2
o
Value_if false:
At this point D28 should have the following format:
=SUMIF(…) + IF(…) + IF(…)
a. Some numbers have to be added to the rows where Final Exam Part 1, Final
Exam Part 2 and Final Exam Part 3 are located.
o
On the D column of those rows place some hypothetical numbers
(Example: 32 on each of those three cells).
o
The E column for those rows should have 40 on those cells since the
maximum score for each part of the Final Exam is 40.
b. At this point, the What-If Analysis may start. Click on D30, then on the Data
tab → What-If Analysis → Scenario Manager.
o
Proceed to create at least three Scenarios with different data for
the Changing Cells (the 3 cells on the D column with the hypothetical
scores for the parts of the Final Exam).
o
The Result Cell when closing the Scenario Manager – by clicking
the Summary button – is D30.
c. After generating the Scenario Summary, save your work and submit it
to Sakai → Test and Quizzes section.
o
Follow these 3 steps after scrolling towards the bottom of the instructions
page:

JIA NI
Assignment 1 Introductory Assignment
Assignment 2 Conversions
Assignment 3 Basic HTML
Assignment 5 – Flowcharts and Pseudocode
Assignment 6 – Introduction to JavaScript
Assignment 7 – Event-Driven JavaScript
Assignment 8 – Functions, Loops and Arrays
Assignment 9 – Introduction to Excel
Assignment 10 – Spreadsheets Functions, Statistical Functions
Assignment 11 – Spreadsheets Pivot and Excel Tables
Exam 1
Exam 2
Instructor Extra Credit
Recitation Project
TA Extra Credit
Final Exam Part1
Final Exam Part2
Final Exam Part3
Totals
Performance
1.5
18
20
18
18
19
19
17
20
2
20
20
20
20
20
20
20
20
50
53
80
80
252
78.26086957
322

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