Answer:
A) 21
Step-by-step explanation:
Mean:
(23 + 18 + 24 + 15 + 25)/5
105/5
21
Answer:
40% male and 60% female
Step-by-step explanation:
Add all the experiments, and then divide the variables by the number of experiments
Variables :T and H
Answer:

Step-by-step explanation:

Hope this helps.
Answer:
A). 23
Step-by-step explanation: