jumlah variabel yang dibandingkan dalam uji T adalah?

uji T tidak berpasangan membandingkan data?

Simpangan Baku Beda=???

T hitung=???

diketahui:

alpha = 0,05

dk= n –1 = 9-1 = 8

maka T tabel =???

Jika T hitung=2,14 dan T tabel=2,13, kesimpulan yang tepat adalah?

T hitung=???

S gab =???

Hypotheses must have a parameter or statistic such as  $\overline{x},\ \mu,\ \sigma,\ s$  

When testing with  $\alpha=0.01$  you get  $p=0.12$ . Your decision should be 

For the t-test one uses __________ instead of σ.

In a New York modeling agency, a researcher wishes to see if the average height of female models is really less than 67 inches, as the chief claims. A random sample of 20 models has an average height of 65.8 inches. The standard deviation of the sample is 1.7 inches. At $\alpha=0.05$ , is the average height of the models really less than 67 inches? List test, p-value, and decision.

The average cost of a speeding ticket is $155. The population standard deviation is $10.78. A random sample of 35 speeding ticket court cases showed that the mean cost was $152.59. At the 0.05 significance level, is that less than $155?