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Use the Student's t distribution to find t c for a 0.95 confidence level when the sample is28. Step 1 Recall that a Student's t
Use the Student'stdistribution to findtcfor a 0.95 confidence level when the sample is28.
Step 1
Recall that a Student'stdistribution table lists critical valuestc
for acconfidence level. The table is arranged by column headings forcand by row headings for degrees of freedomd.f.
Decide which column to use by identifying the confidence level value.
c=
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