Mathematics, 11.04.2021 21:10 juli8350
The biology department at a large university reports that historically grades in their introductory biology course have been distributed as follows: 15% A’s, 30% B’s, 40% C’s, 10% D’s and 5% Fs. A random sample of grades in the last semester were distributed as follows:
(chart attached)
Test an appropriate hypothesis to decide if the professor’s most recent grade distribution watches the historical distribution. Give statistical evidence to support your claim.
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