You wish to test the following claim ( ) at a significance level of . You believe the population is normally distributed, but you do not know the standard deviation.

Question

You obtain the following sample of data: data 98.7 79.9 73.4

What is the test statistic for this sample? (Report answer accurate to three decimal places.)

test statistic = Incorrect

What is the p-value for this sample? (Report answer accurate to four decimal places.)

p-value = 

here the correct values is there any way to calculate with ti 84 or geogebra or by hand?

t=1.608

p=0.1245

Answer 1

On the TI-84 - you want the 1-Sample T-Test.

STAT --> TESTS --> (2) T-TEST

This should give you both the t-score and the p-value associated with it.