Definitions of Statistics, Probability, and Key Terms · Try It 3

Determine what the key terms refer to in the following study.
A survey is conducted to check the time taken by a mobile for charging of battery from 50% to 100%. The criteria used to collect the data are:

$$\begin{array}{cc}\text{Wattage of charger used}& \text{Type of mobile used}\\ \text{30 W}& \text{Android}\end{array}$$
We want to know the proportion of Android mobiles that are charged to 100% within 30 minutes. We start with a simple random sample of 200 mobiles.

OpenStax, Introductory Statistics 2e · §1.1 Definitions of Statistics, Probability, and Key Terms · Try It 3