Where are the answer choices?
Answer:
Explanation:
Puberty is when a child's body begins to develop and change as they become an adult. Girls develop breasts and start their periods. Boys develop a deeper voice and facial hair will start to appear. The average age for girls to begin puberty is 11, while for boys the average age is 12.
Answer:
The range of the statistics is about 5,000
Explanation:
In order to find the range you take the smaller statistic and subtract it from the larger one. in this case, 45,000- 40,000 we are left with the range, or the difference between to numbers. In this case, it is about 5,000.
Answer: Confounding
Explanation: Confounding is the term that defines the influence occurring in dependent and non-dependent components due to the external/outside factor. This outside factor can cause the effect on overall experiment and its design.
According to the experiment executed in the question, experimental group and control group cannot be compared because the confounding factor are present in the experimental group so that must have influence their characteristics. Thus, the outcome of the experiment while comparing will be impacted.