In 2017, Americans spent record-high $9.1 billion on Halloween-related purchases (the balance website). Sample data showing the amount, in dollars, 16 adults spent on a Halloween costume are as follows. 10 35 50 44 a. What is the estimate of the population mean amount adults spend on a Halloween costume (to 2 decimals)? $ 70 33 16 31 25 34 11 65 64 46 99 23 b. What is the sample standard deviation (to 2 decimals)? $ c. Provide a 95% confidence interval estimate of the population standard deviation for the amount adults spend on a Halloween costume (to 2 decimals). Use Table 11.1. Soss $
In 2017, Americans spent record-high $9.1 billion on Halloween-related purchases (the balance website). Sample data showing the amount, in dollars, 16 adults spent on a Halloween costume are as follows. 10 35 50 44 a. What is the estimate of the population mean amount adults spend on a Halloween costume (to 2 decimals)? $ 70 33 16 31 25 34 11 65 64 46 99 23 b. What is the sample standard deviation (to 2 decimals)? $ c. Provide a 95% confidence interval estimate of the population standard deviation for the amount adults spend on a Halloween costume (to 2 decimals). Use Table 11.1. Soss $
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
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Hw.50.
![In 2017, Americans spent a record-high $9.1 billion on Halloween-related purchases (the balance website). Sample data showing the amount, in dollars, 16 adults spent on a Halloween costume are as follows.
10
35
50
44
a. What is the estimate of the population mean amount adults spend on a Halloween costume (to 2 decimals)?
$
70
33
16
31
25
34
11
65
64
46
99
23
b. What is the sample standard deviation (to 2 decimals)?
$
c. Provide a 95% confidence interval estimate of the population standard deviation for the amount adults spend on a Halloween costume (to 2 decimals). Use Table 11.1.
sos$](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F7c543d67-0094-4dfa-858b-8f9b09e8b86c%2Fb91cd18a-81aa-4747-b7c7-464b88cac94c%2Fwr87kbg_processed.png&w=3840&q=75)
Transcribed Image Text:In 2017, Americans spent a record-high $9.1 billion on Halloween-related purchases (the balance website). Sample data showing the amount, in dollars, 16 adults spent on a Halloween costume are as follows.
10
35
50
44
a. What is the estimate of the population mean amount adults spend on a Halloween costume (to 2 decimals)?
$
70
33
16
31
25
34
11
65
64
46
99
23
b. What is the sample standard deviation (to 2 decimals)?
$
c. Provide a 95% confidence interval estimate of the population standard deviation for the amount adults spend on a Halloween costume (to 2 decimals). Use Table 11.1.
sos$
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