Question

use technology to find the P- value for the hypothesis test described below the claim is...

use technology to find the P- value for the hypothesis test described below
the claim is that for a smartphone carrier's data speed at airports, the mean is mu =19.00 mbps. the sample size n = 14 and the test statistic is t= 1.118.
how is this entered into a TI 84

Homework Answers

Answer #1

We have to compute the p-value here for df = n - 1 = 13 degrees of freedom and t statistic value of t = 1.118.

As we are testing here whether the mean is 19 mbps, this is a two tailed test and the p-value is computed using the calculator as:

1) Calculate t_calc (t_test)
2) Find the absolute value of t_calc
3) 2nd DISTR
4) Scroll down to tcdf
5) ENTER
6) Now enter: 1.118 , 1000, 13 )
7) ENTER
8) Output is ½ of the P-value so
9) Multiply result by 2

The output here is: 0.2838

Therefore 0.2838 is the required p-value here.

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