Numbers File Edit Insert Table 125% ▼ Organize Format Arrange View Share Window Help H + Assignmen #2_Data 7 A M Vie Vie View Zoom Add Category Pivot Table Insert Table Chart Text Shape Media Comment + + + DAILY RETURN WHEAT PRICES ACTIVE VS FAILED RETAIL COMPANY CREDIT_SCORE Daily_Return (%) 000 2.89 1.11 3.31 5.76 0.84 0.84 5.92 3.65 0.19 3.02 0.20 0.20 2.18 -3.86 -3.33 -0.07 -1.34 2.38 -1.04 -2.45 73 280 OCT 15 O O
Numbers File Edit Insert Table 125% ▼ Organize Format Arrange View Share Window Help H + Assignmen #2_Data 7 A M Vie Vie View Zoom Add Category Pivot Table Insert Table Chart Text Shape Media Comment + + + DAILY RETURN WHEAT PRICES ACTIVE VS FAILED RETAIL COMPANY CREDIT_SCORE Daily_Return (%) 000 2.89 1.11 3.31 5.76 0.84 0.84 5.92 3.65 0.19 3.02 0.20 0.20 2.18 -3.86 -3.33 -0.07 -1.34 2.38 -1.04 -2.45 73 280 OCT 15 O O
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
Related questions
Question
Stock Return Performance Analysis:
An investment firm monitors the daily returns of a particular stock in the S&P 500. The daily return is defined as the percentage change in the stock's price from the previous day. The firm recorded the stock's daily returns at random times during the last quarter of the year. Assume that the standard deviation of the population of daily returns is known to be σ = 2.8%.
The data for daily return for the particular stock in the S&P 500 is given in Excel under “DAILY RETURN” sheet.
a) Based on a 95% confidence level, what is the margin of error for the mean estimate of the daily return?
Transcribed Image Text:Numbers File Edit Insert Table
125% ▼
Organize
Format
Arrange View
Share
Window Help
H
+
Assignmen #2_Data 7
A
M
Vie Vie View
Zoom
Add Category
Pivot Table
Insert Table Chart Text Shape Media Comment
+ + +
DAILY RETURN
WHEAT PRICES
ACTIVE VS FAILED RETAIL COMPANY
CREDIT_SCORE
Daily_Return (%)
000
2.89
1.11
3.31
5.76
0.84
0.84
5.92
3.65
0.19
3.02
0.20
0.20
2.18
-3.86
-3.33
-0.07
-1.34
2.38
-1.04
-2.45
73
280
OCT
15
O O
<tv
☑
ال
Collaborate
Sheet Name
DAILY RETURN
Background
Tue Oct 15 4:05 AM
Format Organize t Organize
Sheet
Duplicate Sheet
Delete Sheet
wwwww
1
✓ A
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