Answer: The critical value for a two-tailed t-test = 2.056
The critical value for a one-tailed t-test = 1.706
Step-by-step explanation:
Given : Degree of freedom : df= 26
Significance level : 
Using student's t distribution table , the critical value for a two-tailed t-test will be :-

The critical value for a two-tailed t-test = 2.056
Again, Using student's t distribution table , the critical value for a one-tailed t-test will be :-

The critical value for a one-tailed t-test = 1.706
It’s 5.75 for 14 oz. It’s answer is 0.41 which is the lowest out of all of them.
<span>The answer would be a reflection over the x-axis and then a reflection over the y-axis</span>
Answer:
The Median is 20
Arrange the numbers in order
15 20 20 22 25
The middle number is 20