1,) A university surveys 36 randomly selected students and asks the number of dollars spent on textbooks/supplies during the academic year. The results are (in dollars are shown below.

425 78 53 699 663 282
845 373 161 22 853 653
366 806 920 562 828 931
641 134 916 38 379 90
388 894 654 639 916 284
700 684 600 425 717 822

Construct a 90% confidence interval for the mean dollars spent.

Would a given mean value of $600 be likely, given the calculated
confidence level?

Question

1,)   A university surveys 36 randomly selected students and asks the number of dollars spent on textbooks/supplies during the academic year. The results are (in dollars are shown below.

425  78  53  699 663 282
845  373 161  22 853 653
366  806  920  562  828 931
641 134 916 38 379 90
388 894 654 639 916 284
700 684 600 425 717 822

Construct a 90% confidence interval for the mean dollars spent.

Would a given mean value of $600 be likely, given the calculated
confidence level?