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According to the college board the college tuition fees are $10,230 for in state tuition, and 26,290 for out of

state. This compares to an average of $35,830at private and non private colleges. (Find the average between the two for averages). Use the t test to determine whether the 20 institutions chosen falls in line with college board statistics. a=0.05

State the null and alternative hypothesis

Critical value of t=

Test statistic=



I dont understand

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