Answer:
12 > x+5 (?) 52
Step-by-step explanation:
Answer:1 1/6
Step-by-step explanation:
Answer:
Hypothesis testing of ' significance of difference between means'
Step-by-step explanation:
Study conducted to tests whether oxygen level prior SAT score improves test score. This can be done through - Hypothesis testing of ' significance of difference between means'.
Where x1 & x2 represent mean values of SAT test score before (or without) & after (or with) oxygen.
Null hypothesis [H0] = x1 = x2 , Alternate Hypothesis [H1] : x1 < x2
Or, is it asking you to subtract the? In that case
5/4 - 3/8 = 7/8