An analyst is trying to determine whether the prices of certain stocks on the NASDAQ are independent of the industry to which they belong. She examines four industries and, within each industry, categorizes each stock according to its price (high-priced, average- priced, low-priced). Stock Price High Average Low 1687 16 18 Industry II III 1868 16 1804 10 10 1429 IV 14 12

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
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wo
16
X
12 Homework Exercises
s
M Question 9 - Chapter
An analyst is trying to
ezto.mheducation.com/ext/map/index.html?_con=con&external_browser=0&launch Url=https%253A%252F%252Fconnect.mheducation.com%252Fconnect%...
Stock Price
High
Average
Low
X
I
16
18
7
to search
Test statistic
Industry
II
III
10
10
4
An analyst is trying to determine whether the prices of certain stocks on the NASDAQ are independent of the industry to which they
belong. She examines four industries and, within each industry, categorizes each stock according to its price (high-priced, average-
priced, low-priced).
8
16
8
IV
14
12
9
X
Ef
C Hello, I need help wi
a. Choose the competing hypotheses to determine whether stock price depends on the industry.
O Ho: Stock price is independent of the industry.; HA: Stock price is dependent of the industry.
O Ho: Stock price is dependent on the industry.; HA: Stock price is independent of the industry.
4
a
&
Saved
b-1. Calculate the value of the test statistic. (Round intermediate calculations to at least 4 decimal places and final answer to 3
decimal places.)
GA market researcher
X
< Previ 9 of 10
B
144
DI
www
X
NO DA
New Tab
ILS.
Score answer >
X
67°F Clear
+
Help
Transcribed Image Text:wo 16 X 12 Homework Exercises s M Question 9 - Chapter An analyst is trying to ezto.mheducation.com/ext/map/index.html?_con=con&external_browser=0&launch Url=https%253A%252F%252Fconnect.mheducation.com%252Fconnect%... Stock Price High Average Low X I 16 18 7 to search Test statistic Industry II III 10 10 4 An analyst is trying to determine whether the prices of certain stocks on the NASDAQ are independent of the industry to which they belong. She examines four industries and, within each industry, categorizes each stock according to its price (high-priced, average- priced, low-priced). 8 16 8 IV 14 12 9 X Ef C Hello, I need help wi a. Choose the competing hypotheses to determine whether stock price depends on the industry. O Ho: Stock price is independent of the industry.; HA: Stock price is dependent of the industry. O Ho: Stock price is dependent on the industry.; HA: Stock price is independent of the industry. 4 a & Saved b-1. Calculate the value of the test statistic. (Round intermediate calculations to at least 4 decimal places and final answer to 3 decimal places.) GA market researcher X < Previ 9 of 10 B 144 DI www X NO DA New Tab ILS. Score answer > X 67°F Clear + Help
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