(Solved by Humans)-The UMUC MiniMart sells four different types of teddy bears. The
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The UMUC MiniMart sells four different types of teddy bears. The manager reports that the four types are equally popular. Suppose that a sample of 500 purchases yield observed counts 150,120,110, and 120 for types 1,2,3, and 4, respectively.?
. H0: The four types are equally popular
H1: Some types are popular than others
b. The test statistics is
( O?E )2
??= ? E
Where expected frequency is
500/4=125
Type
Observed
Frequency(O
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This question was answered on: 10 May, 2025
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