A statistics professor has just given a final examination in his linear models course. He is particularly interested in determining whether the distribution of 50 exam scores is normally distributed. The data are shown in the table below. Perform the Lilliefors test. Report and interpret the results of the test. 
Definitions:
Scarce Resources
Limited or insufficient resources that cannot fully meet the demand when needed.
Labour
The human effort, both physical and mental, used in the production process.
Competitive Bidding
A purchasing process in which suppliers submit bids to win the rights to fulfill a contract.
Bid Price
The price a buyer is willing to pay for a good, service, or financial instrument.
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