54

docx

School

Seneca College *

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Course

5200

Subject

Economics

Date

Nov 24, 2024

Type

docx

Pages

1

Uploaded by PrivateField10522

Report
The sales representative for a manufacturer of a new product claims that the product will increase output per machine by at least 29 units per hour. A line manager installs the product on 15 of the machines, and finds that the average increase was only 26 with a standard deviation of 6.2. Which of the following is true of confidence intervals in hypothesis tests of the variance of a normal population, where variances are smaller than anticipated? Question 8Select one: a. It will be narrower than anticipated. b. It will meet anticipated levels. c. It will always result in a negative value. d. It will be wider than anticipated.
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