Identify the true statements from below (choose all that apply): Some qualitative variables can be measured with an interval level of measurement. A statistic is a characteristic or measure obtained by using the data values from a population. The concept of population is relative, since researchers define it depending on their interest. Dr. Varhola is not addicted to Shin Ramyun instant noodles. Mariah Carey is just a sample within the vast population of women that Luis Miguel has dated. It is critical that a sample is unbiased