The amounts of vitamin C (in milligrams) for 100g(3.57 ounces) of various randomly selected fruits and vegetables are listed. Is there sufficient evidence to conclude that the standard deviation differs from 12mg? Use

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.3: Measures Of Spread
Problem 23PFA
Question
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Vitamin C in Fruits and Vegetables The amounts of vitamin C (in milligrams) for

100g(3.57 ounces) of various randomly selected fruits and vegetables are listed. Is there sufficient evidence to conclude that the standard deviation differs from 12mg? Use 
α=0.05

 

7.9
16.3
12.8
13.0
32.2
28.1
34.4
46.4

 

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