Answer:
r=9
Step-by-step explanation:
13r=117
r=117/13
r=9
The t-value measures the size of the difference relative to the variation in your sample data. Put another way, T is simply the calculated difference represented in units of standard error. The greater the magnitude of T, the greater the evidence against the null hypothesis.
Answer:
8 1/2 divided by 2 1/4 = 3 7/9 inches