A randomly selected sample of n = 9 students at a university is asked, "How much did you spend for textbooks this semest

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A randomly selected sample of n = 9 students
at a university is asked, "How much did you spend for textbooks
this semester?" The responses, rounded to the nearest dollar, are
reported in Table 1.
Assuming that this sample is representative of the student
population, a student government committee would like to test the
hypothesis that, on average, textbook expenses were more than $600.
Let 𝛼 = 0.025

A) The point estimate for the true average textbook expense
incurred by the students at this particular university
is:
$ __________ Note: round
your answer to the nearest integer


B) The point estimate for the true standard deviation for textbook
expenses incurred by the students at this particular university
is:
$ ________ Note: round
your answer to the nearest tenth
C) The test statistic for this data set is:
Note: Round your answer to the
nearest hundredth.



D) The P-value for this study is