1 The total project cost for a Trex deck ranges between $1,500 and $2,200 for a 250sf deck. 2  Trex Select of basic quality averages approximately $7/sf.  Trex Enhance of higher quality is approximately $8/sf.
When the hypothesized value is zero then there is a simple relationship between hypothesis testing and confidence intervals: If the interval contains zero then the null hypothesis cannot be rejected at the stated level of confidence. If the interval does not contain zero then the null hypothesis can be rejected.
Thus we reject the null hypothesis if p value is less than alpha and we fail to reject if p value is equal or more than alpha.You reported it vice versa. Of course in practice this will make. very little difference.I mean if I get a p value of exactly 0.05 then I will probably repeat the experiment.his still doesn't explain why a statistician can't say we accept the null hypothesis, as a certain unnamed, wet-behind-the-ears, statistically-challenged editor might have suggested to Tiny. Once. Here's the bottom line: even if we fail to reject the null hypothesis, it does not mean the null hypothesis is true.