Help please! I do not understand.

Hormones perform important functions within the reproductive system. during puberty, a number of changes occur in the body. which hormone is responsible for the development of these characteristics in the female? estrogen progestin progesterone testosterone

You are in charge of the customer service phone line with many employees. at the end of each phone callthe customers are asked to rate their service from 1 to 5 stars, with 5 being the best. you find the averagerating for 20 randomly selected employees and decide you want to improve the ratings so you require thoseemployees to go through a new training program. you then wait a week and find the new average rating foreach employee. the average change is an increase in 1.3 stars with a standard devation of .9 stars.(a) is this data paired or not paired? (b) what are the null and alternative hypothesis being tested? (c) what is the t-statistic you would use? write the general formula and the final calculation.(d) sketch a t-distribution, label your t-statistic and the probability you would be interested in:

Describing exponential functionswhich statements describe the function f(x) = 3(1)"? check all that apply.secreo each successive output is the previous output divided by 3.o as the domain values increase, the range values decrease.o the graph of the function is linear, decreasing from left to righto each successive output is the previous output multiplied by 3.o the range of the function is all real numbers greater than 0.o the domain of the function is all real numbers greater than 0.